Welcome to BASIS Flagstaff, home of the Yetis!
Our tuition-free, public charter school serves students in grades K–12. We are proud to be part of the BASIS Charter Schools network which has been providing world-class education since 1998. Our campuses follow a STEM-infused, liberal arts program designed to propel your student farther than they ever thought possible.
Everyone at the Flagstaff campus is here to cultivate a love of learning, natural curiosity, and the desire to excel in your student. Their success is our success.
U.S. News & World Report: 2022 Best U.S. High School Rankings
- #7 in Charter High Schools
- #77 in STEM High Schools
- #42 in National Rankings
Flagstaff, AZ 86001
(928) 774 5502
Office Hours: M-F, 7AM - 5:30PM
Summer Hours: 7:30AM - 2:30PM
Please reserve your place by registering for any upcoming tour/event.
Flagstaff School TourMay 31 @ 12:00 pm - 1:00 pm MST
Flagstaff School TourJune 1 @ 9:00 am - 10:00 am MST
Virtual Info Session – Arizona and Baton RougeJune 1 @ 6:00 pm - 7:30 pm MST
Flagstaff School TourJune 7 @ 12:00 pm - 1:00 pm MST
Subscribe to Learn More
Steve Van Dalen
Head of School
Steve joined BASIS Flagstaff in 2017. He has served as an ESS paraprofessional, a teaching fellow, a history teacher and Director of Student Affairs for the upper school before moving into the role of Head of School.
- BS, Political Science and Government, Northern Arizona University
Head of Operations
Thomas Carpenter taught high school chemistry at BASIS Phoenix from 2017 to 2021 before joining the BASIS Flagstaff family.
- PhD, Analytical Chemistry, University of Tennessee, Knoxville
- BS, Chemistry, Butler University
Director of Student Affairs (Grades 6–12)
Emily Swaine began their career in education in 2008 as a Latin and Greek teacher. They joined BASIS Flagstaff in 2017 to teach upper and lower school Latin. Emily moved into the role of Director of Student Affairs in the 2021–22 school year and finds the work to be immensely important and tremendously rewarding.
- MS, Clinical Mental Health and Counseling, Northern Arizona University
Director of Academic Programs
Trent McDowell joined BASIS Flagstaff in 2017 as the eighth grade, honors, and AP biology Subject Expert Teacher. He took over the role of Director of Academic Programs in 2021.
- MA, Geology, Vanderbilt University
- BA, Geology, Millersville University
Director of Student Affairs (Grades K–5)
Kellie began teaching primary grades in 2016 and joined BASIS Charter Schools in 2020. Since joining BASIS Charter Schools, Kellie has taught grades 1 and 2 and held the role of Director of Student Affairs.
- BA, Psychology, Barrett, The Honors College at Arizona State University
- BS, Health Promotion, Barrett, The Honors College at Arizona State University