Principal

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Administrative Assistant to Principal

Mrs. Tabitha Treece

Phone: (480) 575-2401

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Mrs. Tabitha Treece

Assistant Principal Academics

Mrs. Laurie Umbarger

Phone: (480) 575-2404

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Mrs. Laurie Umbarger

Mrs. Umbarger is originally from Wisconsin, but has lived in Arizona for almost 30 years. She is the Assistant Principal for Student Services and Instruction supporting students with scheduling, classes, grades, and everything academic. She loves working with both students and teachers. She is a National Board Certified Teacher and holds a Master’s Degree in Special Education and administration. Ms. Umbarger was an instructional coach and then, the district English Curriculum Coordinator in the Glendale Elementary School District. Prior to serving in her current position, she was the ELA professional development coordinator for Maricopa County, providing standards and implementation training for administrators, coaches, and teachers in Maricopa County.  Ms. Umbarger has also served on the state standards grade level committee as a chair. Mrs U says, “I love Cactus Shadows! The students and staff are amazing. Cactus Shadows is a special place to be.”

Administrative Assistant to Assistant Principal Academics

Ms. Debbie Dowd

Phone: (480) 575-2407

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Ms. Debbie Dowd

Athletic Director

Mrs. Tandehl Collentine

Phone: (480) 575-2406

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Mrs. Tandehl Collentine

Ms. Tandehl Collentine has had the privilege of working for CCUSD for the past 9 years.  She has taught at all grade levels within the district starting at STMS as the P.E. Teacher and Track & Field coach before moving onto BMES as the P.E. Teacher for grades K-6.  For the past 6 years, Ms. Collentine has taught P.E./Health and F.A.M. (Foundation of Academic Mentoring) at Cactus Shadows High School, along with Head Coach duties for Track & Field and Assistant Cross Country Coach.  Ms. Collentine received her Bachelor of Science degree in Physical Education from St. Cloud State University in Minnesota.  She continued her education in Arizona, earning a Master's Degree in Educational Leadership from Grand Canyon University.  Ms. Collentine is excited for the opportunity to have a positive impact on the outstanding athletic and academic programs at CSHS.  She resides in Cave Creek along with her husband and two sons who attend BMES.  

Administrative Assistant to Athletic Director, Assistant Principal

Mrs. Lori Johnson

Phone: (480) 575-2458

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Mrs. Lori Johnson

Dean of Students

Dr. Jeff Wead

Phone: (480) 575-2405

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Dr. Jeff Wead

Dr. Wead is the Dean of Students.  He received his doctorate from the University of Missouri.  Dr. Wead worked as a teacher and coach for 15 years then accepted a position as assistant principal for 10 more.  After 25 years, Dr. Wead retired from southwest Missouri. He is veteran, husband, and father. Dr. Wead served in the Army, is husband to Julie, the father of five girls, Eden, Emerald, Isabelle, Ireland, Elizabeth, and Papa to one special grandbaby, Russell Joe!.

Administrative Assistant to Dean

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