Brittany Propp

Brittany Propp

Head of School

Brittany Propp is the Head of School at BASIS Flagstaff. Mrs. Propp joined BASIS Charter Schools in 2015 at BASIS Prescott. While in Prescott, she worked in special education, taught in the classroom, served as a Dean of Students, Director of Academic Programs, and, most recently, Director of Student Affairs. Mrs. Propp brought 14 years of experience in domestic and international education with her when she joined BASIS Prescott.

Mrs. Propp attended Purdue University where she completed a Bachelor of Art’s degree in Psychology with minors in Sociology, Anthropology, and Greek/Roman Studies, as well as a Master of Science in Education..

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BASIS.ed Staff not pictured

Thomas Carpenter

Head of Operations

Dr. Carpenter began his career with BASIS Charter Schools in 2017 as a chemistry teacher at BASIS Phoenix. In addition to teaching all levels of chemistry, he coached the varsity soccer team. His journey with BASIS Charter Schools now takes him up north as the Head of Operations at BASIS Flagstaff. Dr. Carpenter will miss his time in the classroom with the students but feels confident that this experience paired with his analytical background will allow him to better serve the students, teachers, and BASIS Flagstaff community. He is eager for the year ahead!

Dr. Carpenter earned his bachelor’s degree in chemistry from Butler University in Indianapolis, Indiana and his doctorate in analytical chemistry from The University of Tennessee-Knoxville. It was during his time completing his education that he discovered his passion for teaching and working with students.

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T. Terpening

Tori Terpening

Director of Academic Programs

Coming from a family of educators, Mrs. Terpening always knew she would end up working in a school. She moved to Flagstaff to attend Northern Arizona University and graduated magna cum laude with a BA in Spanish and minors in both French and Latin American Studies. She joined BASIS Flagstaff in 2014 to teach Spanish for grades 7–12. As BASIS Flagstaff grew, she joined the Auxiliary Programs team, and then the Academics team as Curriculum Coordinator. She has learned a great deal about what goes on in a K–12 school and is excited to continue working with students and families as Director of Academic Programs.

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Steve Vandalen

Steve Van Dalen

Director of Student Affairs, 6-12

Steve VanDalen joined BASIS Flagstaff in 2017 as a Special Education Assistant. In his time at BASIS Flagstaff, Mr. VanDalen has also served as a Teaching Fellow and, most recently, a History Teacher. His experiences working with both youth and adults in a variety of community settings has shaped his love for people and education. Mr. VanDalen earned his bachelor’s degree in Political Science with a minor in Sociology from Northern Arizona University. Mr. VanDalen is excited to help support the students and families of BASIS Flagstaff as the Director of Upper School Programs.

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Greg Mallie

Greg Mallie

Director of Student Affairs, K-5

Greg Mallie joined BASIS Flagstaff in its inaugural year, 2011, as a math teacher. Three years later, he helped open BASIS Oro Valley Primary before returning to Flagstaff as a teacher and then Dean of Students. His experiences working with other educators inside and outside of the classroom have given him a wide perspective on what makes for effective teaching and has been a major motivator for him to continue looking for ways to become a leader within his community. He enjoys working with students, families, staff, and teachers alike in bolstering an enthusiasm towards learning and a feeling of support. He is looking forward to his role as Director of Student Affairs.

Mr. Mallie earned his bachelor’s degree in Elementary Education and his masters in Educational Leadership from Northern Arizona University. From leading kids in the summer Colorado Youth Program to coaching BASIS soccer, from working broadly to ensure students were getting academic and behavioral supports during the pandemic, to meeting with students one-on-one to talk about socio-emotional development, Mr. Mallie relishes in the joy found in helping others and watching them grow.

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