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Limited Seats Available for 2024–2025

BASIS Flagstaff text logo

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: 2024 Best U.S. High School Rankings

  • #1 Flagstaff, AZ Metro Area High School
  • #12 Arizona High School
  • #19 Charter High School in the U.S.
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

Kellie Hintze
Kellie Hintze
Head of School

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

[email protected]

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

[email protected]

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

[email protected]

General person outline
Jacob Varrone
Interim Director of Student Affairs (K–5)
General person outline
Mindy Dyar
Director of Academic Programs