24 public K-12 schools in Flagstaff from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
24 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Flagstaff's 24 public schools is Flagstaff High School, scoring 30/100, against a city average of 37/100. Computed live across every Flagstaff campus reporting to NCES.
How the Flagstaff Public-School Landscape Breaks Down
Flagstaff, AZ enrolls 10,370 students across 24 public schools reporting to the National Center for Education Statistics. Of those, 7 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 14.5:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 37/100. Schools must report at least five campuses in a city to appear in this listing, which is why very small towns may redirect to the broader county or state view.
The most-resourced campus in Flagstaff on this index is Flagstaff High School, at 30/100 on the Resource Investment Index with 1,631 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Flagstaff spans 11 districts, each filing its own NCES F-33 return, per-pupil spending can vary between neighbouring campuses. Sort the table below by enrollment, level, or district; click any school for its full profile.
Flagstaff school enrollment varies 816× across entities
Flagstaff school enrollment ranges from 2 students (lowest) to 1,631 students (highest), a spread of 1,629 students. That ratio is an extreme outlier spread — among the widest gaps observed anywhere in this dataset. Per-school staffing, programme depth, and capital-renovation cycles often diverge inside the same city based on enrollment shape, a 200-student magnet runs a different operational model than a 2,000-student comprehensive high school.
Flagstaff operates 11 school districts — one of the single most fragmented governance structures in the country
Each school district has independent budgeting, hiring, and service delivery authority, and the sheer count here puts it in the extreme tail of fragmentation nationally. The fragmentation reflects historical patterns of inter-municipal boundary lines that pre-date modern city growth, students in different parts of the same city can attend different districts with different per-pupil spending, calendars, and graduation requirements. Per-region variation is largest in fragmented systems because each school district sets its own budget, contracts, and priorities without higher-level coordination above the regulatory floor.
Flagstaff student-teacher ratio is 14.5:1 — near the typical range (US average ~15.7) — aligned with the U.S. average of approximately 15.7:1
student-teacher ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE classroom teachers against total enrollment, push-in specialists, English-language aides, special-education co-teachers, and counselors are not included in most reporting Variation between sub-units within Flagstaff is typically wider than the Flagstaff-aggregate figure suggests.
Flagstaff has higher-than-average charter school authorisation eligibility — 29.2% of the population qualifies for charter-school enrollment options
charter-school enrollment options eligibility is the federal threshold for charter school authorisation funding allocations, established under the state-specific charter law. Eligibility here is approaching the 30% concentration-grant threshold; it does not yet unlock the extra funding tier but sits meaningfully above the baseline 10% majority mark. Regions with eligibility this high typically draw a substantially larger federal funding share relative to their local tax base, which can either offset or reinforce existing gaps depending on allocation policy.
Most racially and ethnically mixed schools in Flagstaff
Ranked by the Simpson student-body diversity index (0-100) from NCES race and ethnicity data, where higher means a more evenly mixed student body. It measures mix, not quality.
The highest-ranked school in Flagstaff is Flagstaff High School with a quality score of 30/100. There are 24 public schools in Flagstaff with 10,370 total students.
How many schools are in Flagstaff, AZ? ▼
Flagstaff has 24 public schools with a total enrollment of 10,370 students. 7 are charter schools. Average student-teacher ratio: 14.5:1.
Data from NCES Common Core of Data (CCD) 2024-25 and Civil Rights Data Collection (CRDC) 2021-22. Quality scores based on student-teacher ratio,
counselor access, gifted programs, and attendance. Schools must have 5+ in the city to be listed.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the NCES Common Core of Data (CCD). Consult a qualified professional before making decisions based on this data.
Read our methodology, which explains how this data is sourced, computed, and verified.
