Flagstaff High School

Flagstaff Unified District (4192)

Flagstaff, Arizona

1,620 students

High School, Grades 9–12

(928)773-8100

1,620

Students

20.7:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

1,210

A-

out of 1600

Good

Avg ACT Score

B+

out of 36

Good

AP Courses

A-

courses offered

Good

AP Enrollment

17%

of students

Average

Student-Teacher Ratio

21:1

B-

students per teacher

Average

This Week at Flagstaff – April 21, 2026

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Academic Grades

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Academic Resources

Typical courses and practice resources for students at Flagstaff High School

Biology

Cell biology, genetics, evolution, and ecology

AP Biology

College-level biology with lab component

Chemistry

Atomic structure, reactions, and stoichiometry

AP Chemistry

College-level chemistry with lab component

Physics

Mechanics, waves, electricity, and magnetism

AP Physics 1

Algebra-based mechanics and waves

Environmental Science

Ecosystems, human impact, and sustainability

AP Environmental Science

College-level environmental science

World History

Global civilizations from ancient to modern times

AP World History

College-level world history analysis

U.S. History

American history from colonization to present

AP U.S. History

College-level American history

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School Details

Address

400 W Elm Ave, Flagstaff, AZ 86001

Phone

(928)773-8100

District

Flagstaff Unified District (4192)

Academic Calendar

2025-2026

Important dates, holidays, and school events

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Other Schools in District

John Q Thomas Elementary School

Weitzel's Puente de Hozho Bilingual Magnet School

Manuel DeMiguel Elementary School

Flagstaff High School

Sturgeon Cromer Elementary School

Coconino High School