Welcome to
BASIS Flagstaff

The first BASIS charter school in Northern Arizona, BASIS Flagstaff opened in 2011 to serve 425 students in grades 5–12, adding 4th grade in fall 2015 and 3rd grade in 2016. BASIS Flagstaff now serves 650 students who go to school every day with the best view in all of Flagstaff. Last year, BASIS Flagstaff joined the Arizona Interscholastic Association (AIA), which opened up incredible opportunities for students to participate in sports and other activities.

In the spring of 2016, BASIS Flagstaff received the extraordinary rank of #2 Most Challenging High School in the U.S. by The Washington Post, followed by a #5 ranking in 2017. The BASIS Flagstaff Class of 2017 was a group of highly dedicated, talented students who received a total of $4.8 million in merit aid. Among these 32 students, eight were recognized as National Merit Semifinalists.

Stop by for a visit

1700 N. Gemini Dr.
Flagstaff, AZ 86001
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BASIS Flagstaff at a glance



Avg. Student Count


Year Opened

Squiggle Line

Our Mascot

The Yeti!

2016–2017 school year highlights

  • Eight National Merit Semifinalists (the most by far in Northern Arizona!)
  • #2 most challenging school in the nation according to The Washington Post
  • One teacher and one student nominated for the prestigious STEMMYs from Flagstaff STEM City
  • State title in Lincoln Douglas Debate
  • Boys Varsity Basketball qualified for the semifinal round of the regional tournament
  • Chess team tied for SECOND PLACE at the State Tournament
  • Girls High School Cross Country placed 8th in the state
  • The 7th/8th grade cross country boys team earned 4th and the 6th grade boys placed 7th at the Arizona Cross Country State Championships
  • BASIS Flagstaff seniors have earned over $1 million is merit aid so far this year
  • Notable college acceptances:  Duke, USC, Cornell, Northeastern, Dartmouth, Barrett, U of A Honors, UC Berkeley