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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.

BASIS Flagstaff mascot Yeti

1700 N. Gemini Dr.
Flagstaff, AZ 86001
Google Map
(928) 774 5502

Office Hours: M-F, 7AM - 5:30PM
Summer Hours: 7:30AM - 2:30PM

School Leadership

Steve Vandalen
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

Trent McDowell
Trent McDowell
Head of Operations

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 before becoming the Head of Operations in 2023.

  • MA, Geology, Vanderbilt University
  • BA, Geology, Millersville University

Emily Swain
Emily Swaine
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

Kellie Hintze
Kellie Hintze
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

General person outline
Mindy Dyar
Director of Academic Programs

Seats Available For 2023-24 School Year!

Openings are still available for this school year at select schools. Looking for the 2024-25 school year? Click to schedule a tour.