HS English Teacher

Boylan, Rachel

HS Bible Teacher

Casillas, Bobby

HS English Teacher

Ceton, Katie

HS Math Teacher

Chisum, Derek

HS Girls PE Teacher

Desmarchais, Natasha

Athletic Director

Duitsman, Mark

HS Science Teacher

Feely, Rebecca

Online Computer Teacher/Yearbook Advisor

Fellows, Laura

HS Science Teacher & Robotics Coach

Field, Anna

Assistant Athletic Director

Gargan, Chris

G.E.A.R. Teacher

Heintz, Peter

PE, Godly Play, GCHS Dance Teacher & SEGUE Director

Hightower, Deborah

Principal's Assistant

Hoffman, Debbie

Front Desk

Hohmann, Cindy

HS Art Teacher

Holsinger, Joel

Science Teacher

Ives, Keith

HS Social Studies Teacher

Jarles, Brent

Guidance Counselor

Johnson, Amanda

HS GEAR Teacher/Greenfield Athletics Director

Jones, Chris

HS English Teacher

Jones, Kelly

Spanish Teacher

Jorgensen, Cathy

HS Social Studies Teacher

Keener, Kurt

Athletics Assistant

Krahling, Maritta

College and Career Counselor

Lang, Christina

Vice Principal & HS Science Teacher

Littlefield, Matthew

HS Principal

Lovelady, Mark

GEAR and Math Prep

McCloskey, Taylor

Vice Principal of Academics

McCollum, Robert

HS Math Teacher

McCollum, Vicki

Facilities Director

Miller, Ron

HS Bible Teacher

Mitchell, C.L.

HS Boys P.E. Teacher

Norris, Danny

HS Spanish Teacher

Paasch, Mike

Drama Producer

Palacio, Pam

HS Social Studies Teacher

Pasquariello, Jason

HS Keyboarding Teacher & Choral Accompanist

Perry, Melody

HS History/English Teacher

Pierce, Minde

HS Spanish Teacher

Querfeld, David

Orchestra Teacher

Rachoy, Katelyn

HS Choir Teacher & Worship Director

Rakita, Jordan

English Teacher

Ridgeway, Kathi

HS Bible/Electives Teacher

Robinson, Andrew

HS Bible Teacher

Roche, Chad

HS Math Teacher

Russell, Chris

Facilities Manager

Shue, Chris

Athletics Trainer/Sports Medicine Teacher

Storey, Ashley

Math Teacher

Trainor, Kathleen

Front Desk

Wallace, Mikele

HS English Teacher

Boylan, Rachel

Rachel Boylan graduated from Concordia University Nebraska in 2011 with a B.S. in Education and a B.A. in English and completed a master’s in reading instruction in 2015. Originally from Southern California, Ms. Boylan has spent her life traveling around the world with her missionary family. She’s lived in Namibia, Guatemala, Mexico, Sierra Leone, and all over the U.S., and she now calls Arizona home! Ms. Boylan loves school and loves her students even more. She has taught English at Gilbert Christian since 2015 and is looking forward to many years to come!

HS Bible Teacher

Casillas, Bobby

Bobby received his B.A. in English from Arizona State University and is pursuing a Master of Divinity from the Expositors Seminary in Tempe. He worked with high-school-age teenagers from 2001 to 2021 as a Juvenile Detention Officer for the Maricopa County Juvenile Probation Department. Bobby has a passion and love for the Word of God and the Bride of Christ and is excited to serve the students and parents of GCS through the teaching of the Word, prayer, and the sharing of the gospel. His greatest desire at GCS is that the students would know and worship the Lord, striving to love Him with all their heart, soul, and mind (Matthew 22:37). Bobby is an Arizona native, born and raised in Mesa, and has lived in Gilbert since 2011. He and his beloved wife, Allie, have been married since 2010, and the Lord blessed them with a son in 2021. They have worshipped and served at Grace Bible Church in Tempe since 2008. Bobby became a part of the GCS staff in the fall of 2021.

“For from him and through him and to him are all things. To him be glory forever. Amen.” Romans 11:36

HS English Teacher

Ceton, Katie

Mrs. Ceton was raised in a Christian household and attended Christian schools her whole life. She attended Phoenix Christian Preparatory Schools from Preschool-12th grade. After high school, she attended Biola University. While she originally wanted to work with 1st graders, she felt God leading her to work with high schoolers. She graduated in 2013 with a Bachelors in English, as well as 3 minors: Secondary Education, TESOL (teaching ESL), and Bible. She decided to continue pursuing her education and graduated wither Masters of Arts in Teaching in 2015 from Biola University. She just completed taking some grad-level English classes through GCU in order to be certified to teach Dual Enrollment. Before coming to Gilbert Christian, she worked 2.5 years at Phoenix Christian focusing on freshman and sophomore English. She has worked for Gilbert Christian since 2017 teaching freshman, juniors, and seniors. She has been married since 2015 and has two daughters named Charleigh (3) and Skylar “Sky” (born on February 14th). She attends Cornerstone Church in Chandler, where she is a part of the “Young Families” group.

HS Math Teacher

Chisum, Derek

Mr. Chisum has been working in the schools since 1996 and been a teacher since 1999.  He has a Master’s in Elementary Education from Northern Arizona University.  He is a 3rd generation Arizona teacher as both his father and grandmother were teachers at ASU and Globe respectively. Mr. Chisum’s wife has also been working in schools since 1996 in varying positions.  He has two daughters who attended Gilbert Christian Schools and has been a part of our teaching staff since 2016.

HS Girls PE Teacher

Desmarchais, Natasha

Mrs. Desmarchais has been teaching Physical Education since 1989. She took a wonderful hiatus to stay home for eight years and raise her boys, returning to teaching in 2009. Mrs. Desmarchais has a Bachelor’s Degree in Physical/ Health Education and Dance from the University of Toronto, the city in which she was born and raised. She moved to Gilbert, with her husband Jim, in 1988 where she received her AZ teaching certificate, allowing her to teach PE grades K-12. She continued her graduate work in Secondary Education at ASU and the University of Phoenix. Mrs. Desmarchais came to Gilbert Christian Schools in 2008 and established the Elementary PE Program, teaching K-6 grade students for six years. In 2015 she continued her teaching at the High School by teaching a girl’s Fitness/PE class. Besides her faith and her family, teaching students about physical education and have them understand and appreciate that fitness is a lifestyle, is what she most cares about. Mrs. Desmarchais is a member of Redeemer Bible Church in Gilbert and serves in the Nursery ministry. Her favorite pass time is anything that involves being with her husband, Jim and her two boys, Christopher and Steven, both GCS graduates. Mrs. Desmarchais enjoys being active: hiking, bike riding, and working out. She balances that with her love of cooking/baking and finding new restaurants to enjoy!

Athletic Director

Duitsman, Mark

Originally from Nebraska, Mark Duitsman earned his Bachelor of Science in Education in 2003 from Concordia University, NE, with an emphasis in Theology and Physical Education. Following his time at Concordia, where he also played college basketball, he took his first teaching and coaching position at Faith Lutheran MS/HS in Las Vegas, NV. The next year Mark had an opportunity to accept a position at Lutheran High School in Parker, CO, near his wife’s hometown of Denver, where he has since served in a variety of roles over the past 17 years, including teacher, coach, Dean of Students, and Athletic Director. He earned his Master of Arts in Coaching and Athletic Administration from Concordia University, CA, in 2011. During his tenure at Lutheran, the school grew from an enrollment of 80 students to more than 800, and Mark directed the high school athletic department’s successful transition through the many stages of that growth, focusing on the ministry and culture of the athletic programs while pursuing competitive excellence and opportunity for student-athletes.
As the Varsity Girls Basketball Head Coach for the past 16 years, Coach Duitsman’s teams earned 8 State Tournament appearances, 6 State Final Four appearances, 8 League Championships, and two State Championships. He was named the NFHS Colorado Girls Basketball Coach of the Year in 2016 and the CHSAA Colorado Girls Basketball Coach of the Year in both 2014 and 2016. Mark was inducted into the Metropolitan League Athletic Hall of Fame in 2017.
Mark has been married to Abbie since 2004 and they are blessed with five children: Lillian (12), Jackson (9), Cooper (5), and twin girls Emerson and Charlotte (3). As a family, they enjoy being active and attending each other’s many activities. Mark is honored and excited to join the Gilbert Christian Schools family in the role of District Athletic Director beginning in the 2021-22 school year.
“Trust in the Lord with all your heart and lean not on your own understanding. In all your ways acknowledge Him, and He will make your paths straight.” Proverbs 3:5-6
HS Science Teacher

Feely, Rebecca

Graduated from the University of Michigan with Honors and Distinction in 1998. Worked in clinical research at the Ann Arbor VA Hospital in the fields of Hypertension and Geriatrics. She is a published author in the scientific research community. Worked in the pharmaceutical industry as well as nutritional counseling in recent years. Rebecca was a science tutor throughout college, a substitute teacher for over a decade as well as several stints at homeschooling. She worked for several years recently as a certified nutritional consultant and did numerous presentations on health and wellness in schools and other venues nationwide. Rebecca is passionate about all things health and wellness. She enjoys playing and watching all sports especially tennis, basketball, volleyball, and swimming. She has run a marathon and many 1/2’s as well as several triathlons. She also loves music, sings and plays both the piano and trumpet. She also serves on the board locally at the House of Refuge, assisting homeless families in gaining permanent housing. Rebecca and her family currently worship at Rock Point Community Church. Rebecca has been married to Jay since 1998, they have 4 children: Lexi, Jace, Abby, and Olivia. They have loved their time living in Arizona and also spend as much time as possible in the Upper Peninsula of Michigan. Rebecca began working for GCS in 2019.

1 Corinthians 13:13, “And now these three remain: faith, hope and love; but the greatest of these is LOVE.”

Online Computer Teacher/Yearbook Advisor

Fellows, Laura

Mrs. Fellows was born and raised on the east coast working as a licensed commercial insurance broker/legal admin before moving to Arizona with her family in 1996. Since her children were still quite young, she was a stay-at-home mom. During those years, she decided to fulfill a life-long goal to complete college and graduated with honors from the University of Phoenix in 2004 with a B.S. degree in Management with an emphasis on technology. Wishing to keep the same school hours/vacations as her children, she became a certified substitute and moved from being a Para-educator to substituting in the Chandler Unified School District. She did this for 11 years and gained most of her teaching experience from long-term positions in kindergarten, first, fourth, and fifth grades. In 2015, she became certified in Career and Technical Education. Through daily prayer and devotion, Mrs. Fellows feels God has led her to Gilbert Christian HS. She feels truly blessed and humbled by all the Lord has helped her achieve. Mrs. Fellows looks forward to directing her Christian beliefs and values through education to encourage the growth of students who embrace God’s wisdom in every subject they study. Mrs. Fellows has been married to her husband, Bill, since 1987. She has two adult children and is blessed with grandchildren. They currently attend Sun Valley Community Church.

HS Science Teacher & Robotics Coach

Field, Anna

Mrs. Field graduated with her Master’s degree in natural science from ASU, where she completed a research project on the benefits of teaching proportional reasoning to strengthen understanding of scientific concepts. She completed her bachelor’s degree in physics at San Diego State as a McNair scholar, where she published multiple papers and worked as a GTA. After graduation, she worked in a research position for two years. Since 2008, Mrs. Field has taught at GCS, teaching everything from 7th-grade science to college physics and robotics.  She coaches the robotics team, The Knights of the Lab Table and has led them to the First Tech Challenge World Championships two years in a row. Mrs. and Mrs. Field and their 4 children attend Harvest Bible since 2008.

Assistant Athletic Director

Gargan, Chris

G.E.A.R. Teacher

Heintz, Peter

Mr. Heintz attended UW-Platteville, a small state school in the University of Wisconsin system. In 2002, he graduated with a bachelor of science in mathematics with a minor in biology and an emphasis in secondary education. Since then Peter has taught mathematics and science at the middle and high school levels and has coached baseball and football. He currently holds an Arizona Department of Education Certificate to teach mathematics and biology in grades 6-12. He enjoys coaching and traveling with his wife. In the past couple of years they were able to go to San Antonio, TX, Kauai, HI, Washington D.C, Milwaukee, WI, and Huntsville, AL. Mr. Heintz is currently attending Redemption Church – Gateway. In 2015, Peter married his lovely wife, Kira. Mr. Heintz has been a part of our GCS teaching staff since 2020.

Romans 5:8 is his favorite verse, “but God shows his love for us in that while we were still sinners, Christ died for us.”

PE, Godly Play, GCHS Dance Teacher & SEGUE Director

Hightower, Deborah

Having been a part of Gilbert Christian Schools for over twenty years, in a variety of roles including parent, prayer/mission coordinator, substitute, part-time and full-time teacher, Mrs. Hightower has experienced from a unique perspective, the development and emergence of a quality Christian school. Her passion for her own four children, as well as those who continue to attend here, has been to help them grow physically, academically, emotionally and spiritually to be all they can be in Christ. Mrs. Hightower’s varied background including a B.A. from East Stroudsburg University, PA, along with extensive dance and performance experience gleaned from years of living in the NY metropolitan area, have enabled her to serve in a variety of roles at the school. The shared focus of staff and teachers alike, to support one another, while wholeheartedly serving the Lord, their families and students is unmatched by anything she previously encountered. Mrs. Hightower continues to be exceedingly blessed to be able to teach, facilitate prayer and provide ministry opportunities that lead to the expansion of God’s kingdom at GCS and beyond, through the impacted lives of our students and families!

Principal's Assistant

Hoffman, Debbie

Front Desk

Hohmann, Cindy

HS Art Teacher

Holsinger, Joel

Mr. Holsinger received a full-tuition scholarship in 1992 from the Gibson Greetings Foundation to study Fine Art at Miami University where he earned a BFA degree with two areas of artistic specialization in 1996: Fine Art Painting and Graphic Design. After beginning his career as a graphic designer for Campbell Hausfeld, and later as a graphic designer at Cedarville University in their on-campus public relations department, Mr. Holsinger began teaching Visual Fine Art at Dayton Christian High School in 1997. After that, he moved from Dayton, Ohio to Phoenix, Arizona to begin work as a professional fine artist and commercial art apprentice to a highly successful Phoenix abstract artist/designer—one of the co-owners of the Phoenix Art Group. Mr. Holsinger worked there as a professional artist/designer for over six years in their large art studio and gallery space along with more than forty other professional artists. In 2004, he left to establish his own fine art business, Holsinger Fine Art Studio, where he creates fine art for various private clients, businesses, agents, art publishers, and art galleries, nationally and internationally. In 2011, after sensing the Lord’s tug at His heart toward his gift and calling as a teacher, Mr. Holsinger began teaching Visual Fine Art and Creative Design at GCHS. He and his wife, Natalie, have five children, four of which currently attend GCS at the High School and the Agritopia Campus. They attend Apologia Church in Mesa, Arizona.

Science Teacher

Ives, Keith

Keith has a BS in Molecular Biosciences and Biotechnology with a Minor Secondary Education and a MEd Principal Leadership. He has 12 years of teaching experience before joining GCS in the fall of 2021.  An interesting opportunity he had was spending the night in an igloo! Keith is the middle child of three and is one of over 50 grandchildren. Keith has been married to Jennifer since 1998 and a father to Hunter. Keith and his family attend Calvary East Valley.

“Have I not commanded you? Be strong and courageous. Do not be frightened, and do not be dismayed, for the Lord your God is with you wherever you go.” Joshua 1:9 (ESV)

HS Social Studies Teacher

Jarles, Brent

Mr. Jarles attended Northern Arizona University where he obtained a Bachelor of Science in Secondary Education with an emphasis in History, as well as a Bachelor of Science in Electronic Media with an emphasis in Broadcast Journalism. He has been teaching since 2002 at various high schools including Mountain View, Valley Christian, and Blue Ridge. Mr. Jarles has taught a wide range of classes such as AP Composition and Language, World History, Senior level English, Government and Economics, and Broadcast Journalism. Mr. Jarles has two wonderful children that attend GCS, Abrielle and Alijah. He loves teaching at GCS, and being able to share the Gospel with students on a daily basis, taking these daily interactions and using them as teachable moments.

Guidance Counselor

Johnson, Amanda

Mrs. Johnson earned her BS in Physical Education, with minors in Sports Physiology and  Bible, from Biola University.  Following graduation, she completed her post-baccalaureate teaching certification through Ottawa University, in Arizona. In 2002, she earned her Masters in Education from Northern Arizona University. Mrs. Johnson has also earned her certification in College Guidance from Anderson University in conjunction with the North American Coalition for Christian Admissions Professionals. She taught in the local public schools as a science and PE teacher, before staying home to take care of her children. While staying home with her children, she continued to teach online for a distance learning program. Amanda was grateful to move back into the classroom when she came to Gilbert Christian.  She has taught in the computer lab, as well as science classes.  God had plans when He made a way for her to move into the counseling department.  She loves working with students in social, emotional, and academic ways.  She and her children are grateful to be part of the Gilbert Christian family for so many years.

HS GEAR Teacher/Greenfield Athletics Director

Jones, Chris

Chris has received his B.A. in Pastoral Studies from Vanguard University, a Single Subject Teaching Credential (grades 8-12) in Social Science, and a Special Education Teaching Credential – Mild/Moderate for grades K-12. He has been teaching for over 15 years in private and public schools. Chris enjoys mountain and road biking, playing soccer, and enjoys being outside with his family. His wife Kelly, and children Asa and Gavin currently attend Redemption Gateway. Chris started working for GCS in 2019 teaching in the GEAR program. Starting the 2020-21 school year, Chris will be the Athletic Director at the Greenfield Campus.

Isaiah 55:8-9, “For my thoughts are not your thoughts, nor are your ways My ways, declares the Lord. For the heavens are higher than the earth, so are My ways higher than your ways and My thoughts than your thoughts.” NASB

HS English Teacher

Jones, Kelly

She received her Bachelor’s Degree from Vanguard University of Southern California in 2000 and her teaching credential from California State University Dominguez Hills in 2005. She has been teaching since 2001 in California She enjoys reading, cooking, baking, and spending time with her family. She can also play the guitar and has led worship at her church in the past. As she and her husband are new to the area, they are still searching for a home church. She and her husband, Chris, have 2 boys: Asa and Gavin. Kelly began working for GCS in 2019.

Her favorite verse is Psalm 37:4 “Delight yourself also in the Lord, and He will give you the desires of your heart.”

Spanish Teacher

Jorgensen, Cathy

Mrs. Jorgensen earned an M.A. in Foreign Languages from Illinois State University and later an M.A. in Spiritual Formation from Lincoln Christian University. She holds an ACSI Life-time certificate besides being certified to teach in Illinois and Arizona. She taught for 25 years before joining GCS in the fall of 2021. She jokes that “chocolate” is her middle name, but it must be Dove Dark Chocolate. She has been married to her husband, Kyle, since 1993. They have two sons who both graduated the same Christian school where their parents taught down the hall from each other for 16 years. One is studying Veterinary Medicine and the other is studying Finance. She has four small dogs that love the Arizona sunshine as much as her. She attends Central Christian Church.

“The Lord is my shepherd, I lack nothing. He makes me lie down in green pastures, he leads me beside quiet waters, he refreshes my soul. He guides me along the right paths for his name’s sake.” Psalm 23:1-3

HS Social Studies Teacher

Keener, Kurt

Mr. Keener graduated from Wittenberg University in 1978 with a Bachelor of Arts degree in history and secondary education. He earned his Masters of Science degree in Sports Management from the United States Sports Academy in 1986. Mr. Keener spent 35 years at Detroit Country Day School in Beverly Hills, Michigan where he taught history, coached the boy’s varsity basketball team and served as the Director of Upper School Athletics. When he left Michigan, he had the second highest boys coach winnings in Michigan prep history with a record of 688-121. In that time he coached DCDS to nine state championships and produced four McDonald’s All-Americans. As a member of Rosedale Park Baptist Church, he was active in many ministries including youth Sunday School, church landscaping, the homeless ministry and the urban garden ministry. Mr. Keener came to Gilbert Christian Schools to work in an environment in which the pursuit of academic and athletic excellence is achieved in an atmosphere of Scriptural based spiritual growth. Away from school, Mr. Keener enjoys gardening, hiking, and watching sports events. He and his wife Nedra have two grown sons.

Athletics Assistant

Krahling, Maritta

College and Career Counselor

Lang, Christina

Christina Lang is a California native who graduated from Azusa Pacific University (Go Cougs!) with a Bachelor of Arts in Liberal Studies and minors in English and Bible in 2000. Christina is entering her 4th year as the College and Career counselor at GCHS and feels so blessed to work alongside and mentor students as they process through their next steps. Education and church ministry has been her focus for the last 20 years as she has taught in Jr. High/High School, Children’s Ministry, Marriage Ministry, Women’s Ministry, and as a keynote speaker in several churches and conferences across the country. Her greatest joy is to proclaim the message of freedom that can be found only when one surrenders their entire life to the saving grace of Jesus Christ. Her role as the College & Career Counselor allows her to pair two of her greatest passions: education and ministry. Working with students, teaching them to live intentionally by setting attainable goals, while simultaneously realizing that their greatest worth will always be found in their Creator is what she loves the most about coming to school every day. Christina and her husband Brandon are active members of Mission Community Church along with their six children who all attend Gilbert Christian School.

Vice Principal & HS Science Teacher

Littlefield, Matthew

Matthew Littlefield has been an educator for the last 19 years, starting his career as a Science teacher and Baseball coach at Oaks Christian High School in California. He became a teacher after graduating Summa Cum Laude from Vanguard University with his Bachelors of Science in Biology and Chemistry. His family moved to Arizona in 2005, where he continued teaching at an all-boys boarding school, St. Paul’s Academy, while working on his Masters in Educational Leadership from Ottawa University. Upon getting his Principal certificate, he became an administrator at St. Paul’s before moving on to AAEC South Mountain and AAEC Red Mountain where he was the Principal until 2011. During this time he completed a Certificate in Graduate Studies from Ottawa in Psychology. After completing his Masters, he continued his education at ASU where he completed his doctoral work in Educational Leadership, Policy, and Change. In February 2014 he joined the GCS community as the high school principal. His four kids attend GCS and allow him to see his students grow and mature under the guidance of Christian teachers. Matthew raises his four children by himself after being widowed in January 2013 when his wife suddenly passed away. He feels incredibly blessed to be part of such an amazing community and school.

HS Principal

Lovelady, Mark

Mr. Lovelady received his Bachelor of Arts from Washington State University and a Temporary Principal Certification from ACSI. He is currently working towards his Masters in Educational Leadership. For the past 25 years, he had the privilege of working in Tacoma, Washington, at Life Christian Academy with middle school and high school students in a variety of roles including teacher, dean of students, varsity basketball coach, athletic director, dean of spiritual life, department chair, upper vice principal, middle school principal, and director of advancement (marketing, retention, tuition assistance, alumni, and fundraising). He has thoroughly enjoyed mentoring students, partnering with parents, and building relationships with the staff and teachers. Mark was the 15-time speed skate champion and the school table tennis champion at his last school. He also had the privilege of coaching both the High School boys and girls basketball teams last year and both teams qualified for the state tournament (first time in Washington State history) Currently, Mark and his wife are looking for a new church home in Arizona for their family. For over 35 years they were attending Life Center Church in Tacoma, Washington and also served as an assistant youth pastor for 15 years. He has been married to his wife Jennifer for since 1994. They have four children Alexis, Luke, Landyn, and Ashton. Alexis is currently working in Scottsdale and Luke is on scholarship playing basketball at Western Washington University. Landyn will be a Senior at Gilbert Christian High School this year and Ashton will be in the 8th Grade at our Greenfield Campus. Mark joined our Gilbert Christian Schools staff in the summer of 2018.

“Do not conform any longer to the pattern of this world, but be transformed by the renewing of your mind.” Romans 12:2

GEAR and Math Prep

McCloskey, Taylor

Mrs. McCloskey graduated from Arizona State University in 2012 earning a B.A. in Secondary Education (Mathematics) and from Grand Canyon University in 2016 earning an M.A. in Teacher Leadership. Prior to joining GCS in the fall of 2021, she taught for eight years in a variety of math courses at the high school and junior high levels, plus many years of private tutoring experience. An Arizona native, she is blessed to have attended Christian schools her 4th-12th grades and has a passion to be a part of Christian education. She loves helping students better understand math principles and applications, develop positive character traits, and grow in their relationships with God and come to know and love Him more. She enjoys reading, watching sports, baking, hiking, playing board games, trying different restaurants, and traveling to new places. Mrs. McCloskey married her high school sweetheart, Trevor, and they have two dogs, Simba and Nala. She is thrilled to have the opportunity to share the world of math and how it can be used to glorify God with the GCS students.

“But God demonstrates his own love for us in this: While we were still sinners, Christ died for us.” Romans 5:8

Vice Principal of Academics

McCollum, Robert

“I was awarded a Doctor of Philosophy degree in Educational Leadership with a concentration in curriculum and instruction from Columbia International University in South Carolina in 2019. I also hold a Master of Education degree in Educational Administration (1996) and a Bachelor of Science degree in Secondary Education-Mathematics with a minor in the Teaching of Physical Science (1990), both from the University of Illinois at Urbana-Champaign. I hold three professional certificates: Secondary Principal Administrative Certificate from ACSI (through 2023) and from the state of Illinois a General Administrative Endorsement and a Teaching Mathematics and Physical Science, Grades 6–12 (Type 09) Certificate (both through 2022). I’ve been an educator since 1990. The first 18 years of my professional life were spent in public high schools in the suburbs of Chicago where I taught high school mathematics, physical science a few times, served a mathematics department chair, and an associate principal for curriculum and instruction. In 2008, I began my career in Christian schools serving at El Camino Academy in Bogota, Colombia (2008-2013) where I filled the role of Secondary Principal (2008-2010) and K-12 Director of Academics (2010-2013). After finishing our five-year term, we relocated to Maryland where I served as the Upper School Principal (2013-20) at Annapolis Area Christian School. I was raised in the Chicago suburbs and I’ve been a Chicago Cubs fan since I could talk. It was a tortured existence most of my life until the Cubs finally won the World Series in 2016! Vicki and I met and fell in love while teaching at a public high school in the suburbs of Chicago. There was a romance in the Mathematics Department! We married in 1994 and have two adult daughters.” Mr. McCollum joined the GCS administration in 2020.

Romans 10:9-10 “If you confess with your mouth that Jesus is Lord and believe in your heart that God raised him from the dead, you will be saved. For with the heart one believes and is justified, and with the mouth, one confesses and is saved.”

 

HS Math Teacher

McCollum, Vicki

Mrs. McCollum graduated from Wheaton College with a Bachelor of Science in Mathematics and Secondary Education in 1985 and from the University of Illinois – Chicago with a Master of Science in the Teaching of Mathematics in 1996. She has taught mathematics, mostly at the high school level, since 1985 with a 10-year break in the middle to stay home with her two young girls. Mrs. McCollum also taught mathematics at the United Arab Emirates University for 2 years and in Bogotá, Colombia for 5 years. She is married to Robert McCollum who is the Vice Principal of Academics and they have two daughters, Kaitlyn and Melissa. Mrs. McCollum has been a part of the GCS staff since 2020.

“I lift up my eyes to the mountains—where does my help come from? My help comes from the Lord, the Maker of heaven and earth.” Psalm 121:1

Facilities Director

Miller, Ron

HS Bible Teacher

Mitchell, C.L.

HS Boys P.E. Teacher

Norris, Danny

Coach Norris graduated from Grand Canyon University in 2012 with a Bachelor’s Degree in Exercise Science with an emphasis in Health Education. Coach Norris has been a teacher since 2016 as a Physical Education/Weight Lifting Teacher and Sports Performance Coach. During the 2018-2019 school year, Coach Norris served in an Administration role as an Athletic Director and Head of Discipline at a 7th-12th Junior High and High School. Prior to working in Education, Coach Norris was a Personal Trainer/Sports Performance Coach for 7 years. Coach Norris is the Head Football Coach at Gilbert Christian High School and has been a high school football coach in Arizona since 2009. Coach Norris attends New City Church in Phoenix, AZ and has been a member since 2014. He began working for GCS in 2019.

“Be kind and compassionate to one another, forgiving each other, just as in Christ God forgave you.” Ephesians 4:32

HS Spanish Teacher

Paasch, Mike

Mike Paasch received his MA in Spanish Linguistics at New Mexico State University and his BA in Political Science at ASU. Languages have been a big part of his life: he is fluent in Spanish. He and his family have lived abroad for the gospel in Mexico and North Africa. God saved him during his college studies and gave him a desire to reach the nations far and near with the good news of Jesus. He is married to Lynne and has two grown daughters: Hannah and Amy. Mike and Lynne are foster parents to immigrant children. He has engaged in cross-cultural service for many years. His desire is to encourage this generation of students to pour out their lives for Jesus.

Drama Producer

Palacio, Pam

Mrs. Pam Palacio is all things DRAMA! She has produced and directed over 30 theatrical plays and musicals at Gilbert Christian Schools since 2006. Each year she produces 4 plays (for the High School and Middle Schools) and leads 2 Elementary Drama Clubs. Mrs. Palacio graduated from the American Academy of Dramatic Arts, after studying Theater at the University of Hawaii. She has taught Drama, Student Council, Choir, Speech and Debate, and Yearbook at GCHS.  She has also directed plays in the valley with MoezArt Productions.  Born and raised in Hawaii, she became a believer in Los Angeles, where she enjoyed the great teaching at Grace Community Church, pastored by John MacArthur.  She and her husband, Mark, married in 1990 and have 4 wonderful children. She homeschooled her kids for 8 years, and, after moving to Gilbert, the Palacio’s became a part of the GCS family for many years. They joyfully attend San Tan Bible Church where she serves in the nursery. She loves to point her students to Christ through glorifying God with the Fruit of the Spirit – in rehearsal and onstage!  All Glory to God!

“I thank my God in all my remembrance of you, always in every prayer of mine for you all making my prayer with joy, because of your partnership in the gospel from the first day until now. And I am sure of this, that he who began a good work in you will bring it to completion at the day of Jesus Christ”. . . . Philippians 1:3-6

HS Social Studies Teacher

Pasquariello, Jason

Mr. Pasquariello Graduated from Washington State University in 2007 with a BA in History. He received his Masters in Teaching from City University of Seattle in 2009. After moving to Arizona in 2009, Mr. Pasquariello began working in the Washington Elementary District at New Beginnings Academy, the behavior school for that district. In his final year at New Beginnings, he was the on-site coordinator. In 2013 Mr. Pasquariello took a job at Carson Jr. High teaching 7th-grade social studies. At the same time, he began first as an assistant then as the JV Boys coach at Westwood High School. In 2015 He began teaching at Westwood High School where he taught World History, US History, and AP US History. In addition to basketball, Mr. Pasquariello also coached Girls Golf. Mr. Pasquariello enjoys spending time with his family, whether it is a quiet night at home or going out to experience what Arizona has to offer. He also enjoys watching and playing basketball, reading (mostly history), and playing video games. Mr. Pasquariello and his family currently addend Redemption Church Gateway. Mr. Pasquariello married current GCS teacher Mrs. Pasquariello in 2011. They have two children. The oldest, Tate, born in 2012, began Kindergarten at GCS in 2018. Bryton was born in 2015. Mr. Pasquariello joined the GCS staff in 2019.

“For it is by grace that you have been saved through faith. And this is not of yourselves but it is the gift of God” Ephesians 2:8

HS Keyboarding Teacher & Choral Accompanist

Perry, Melody

Ms. Perry is an accompanist with over 30 years experience. She studied piano performance at Western Oregon State University. She taught music at Eastside Christian School for fourteen years and was the accompanist at Central Christian Church (Mesa) for twenty-three years. She currently performs with various groups around the valley and teaches private piano lessons. She has accompanied all of the Gilbert Christian Schools choirs since 2007.

HS History/English Teacher

Pierce, Minde

HS Spanish Teacher

Querfeld, David

David was raised as a missionary kid in Peru, South America for most of his life. He returned to the United States to attend Wheaton College, IL, before pursuing a Master’s degree in Linguistics at the University of Edinburgh in Scotland. He finds great joy in widening his students’ perception of the world by exposing them to new cultures and a new language in class.

“No, in all these things we are more than conquerors through him who loved us. For I am sure that neither death nor life, nor angels nor rulers, nor things present nor things to come, nor powers, nor height nor depth, nor anything else in all creation, will be able to separate us from the love of God in Christ Jesus our Lord.” Romans 8:37-39

Orchestra Teacher

Rachoy, Katelyn

Katelyn Rachoy has been an orchestra director at Gilbert Christian since 2013. An Arizona native, she earned a B.M.E. in Music Education with an Instrumental Emphasis from the University of Arizona. Mrs. Rachoy started playing the viola at age seven and loved the experiences she had in school orchestras, youth symphonies, private lessons and festivals and hopes to share that joy with her students. Her teaching experiences have been in early childhood strings, middle school outreach band, and elementary through high school orchestra. Prior to teaching at Gilbert Christian, Mrs. Rachoy substituted for music classes in the Mesa Public School district. Katelyn and her husband John attend Grace Bible Church of Phoenix where she enjoys serving in the nursery and on the worship team. She loves teaching at a Christian school where she can motivate students to glorify God with their gifts and abilities.

HS Choir Teacher & Worship Director

Rakita, Jordan

Jordan Rakita received his Masters of Music in Choral Conducting from Northern Arizona University. Prior to that, he completed a Bachelor of Music Education and a Bachelor of Arts in Music from NAU. Jordan has been teaching since 2015, working primarily with high school students, which is his true joy in life. His ensembles have consistently received superior ratings at local, state and regional festivals. He serves on the statewide AMEA Board as the ACE HS Fall Festival Vice President and is a former member of the Grammy-winning Phoenix Chorale. He loves to play basketball and ultimate frisbee. He has an amazing wife Kayla, a daughter named Ruby, and a son named Milo. Jordan joined our GCS staff in 2019.

Ephesians 2:4-5 “But God, being rich in mercy, because of the great love with which he loved us, even when we were dead in our trespasses, made us alive together with Christ-by grace you have been saved.”

English Teacher

Ridgeway, Kathi

Kathi graduated from Whitworth University in 1998 with a Bachelor’s of Arts in English with an emphasis in Secondary Education and a minor in Biology. She is certified in both English and mathematics for grades 7th – 12th. She’s taught to a total of 12 years, but took time off for a season to be home with her children when they were young. Kathi was a heptathlete in college and began running distance after graduating. She fell in love with the marathon and then ultra-marathons, racing frequently until 2017. She’s run across the Grand Canyon several times, completed multiple 50ks, 50 milers, and even a 100k! She married her husband, Chris, in 2000 and had her first baby, Carson, in 2004, then Bethany in 2005. They are a family who loves the outdoors and escapes the heat to the mountains as often as possible. The Ridgeways attend Redemption Gateway. Kathi joined the GCS team in the fall of 2021.

“You make known to me the path of life; in your presence there is fullness of joy; at your right hand are pleasures forevermore.” Psalm 16:11

HS Bible/Electives Teacher

Robinson, Andrew

Mr. Robinson graduated from Grand Canyon University in 2014 with a Bachelor’s degree in Secondary Education (English). He currently attends Tempe Nazarene Church, where he serves on the church board and as the lead guitar player for the main service’s worship team. He married his wife, Megan Robinson, in 2010. He and his wife are parents to a 3-year-old daughter, Rory, and a 10-month-old daughter, Riley. He is also currently pursuing his Master’s in Biblical and Theological Studies at Phoenix Seminary. In his spare time, he plays guitar and enjoys spending time with his family. He also likes playing and watching soccer. He is excited to work at GCS because of the ability the school provides to implement Biblical and spiritual teaching and guidance throughout his classes, which he believes provides each student with a truly complete education.

HS Bible Teacher

Roche, Chad

Chad has an MA in Theological Studies from Liberty University and an MBA from the Forbes School of Business at Ashford University. He’s also working on his doctorate in Bible Exposition from Liberty University. Chad has over three years of experience teaching at the collegiate level and has been a high school substitute for about four years before joining GCS in the fall of 2021. He is an ordained Pastor and created the adult learning program at his church where he teaches systematic theology, apologetics, hermeneutics, and other classes. He’s created his own class called “So, I grew up Catholic” and is working on a book with the same title. Chad is a military brat who grew up in Germany and loves languages. He served in the US Navy for four years on active duty and four years reserves. The USS John L. Hall (FFG-32) was the frigate he served on which was home-ported in Pascagoula, MS. He met his wife, Jill, while home for vacation on New Year’s Eve of 1999; they were married on March 7, 2000. Yes, you read that right they were married after only knowing each other for less than three months! Chad and Jill have ten children; three are biological and seven are adopted. LifePoint Church in San Tan Valley is where their family attends and Chad is a Pastor there too!

“Who, being in very nature God, did not consider equality with God something to be used to his advantage; rather, He made himself nothing by taking the very nature of a servant.” Philippians 2:6-7

HS Math Teacher

Russell, Chris

Facilities Manager

Shue, Chris

Athletics Trainer/Sports Medicine Teacher

Storey, Ashley

Ashley first started at GCHS as the school’s certified athletic trainer in 2015 after graduating from the University of South Florida. In 2017 she began teaching sports medicine as well. Ashley currently attends Compass Christian Church in Chandler. One of her life verses is Jeremiah 29:11, “For I know the plans I have for you,” declares the Lord, “plans to prosper you and not to harm you, plans to give you hope and a future.” She honestly believes it was God’s plan to bring her to GCHS. This school quickly became like a family to her. Nothing brings her more joy than getting to teach what she is passionate about every day while helping students and athletes grow spiritually as well. Watching students go from not knowing how to rip tape to taping ankles confidently each year has most definitely been a highlight in her time here.

Math Teacher

Trainor, Kathleen

Front Desk

Wallace, Mikele