Enrollment
1,631
Arizona · 2024-25 NCES data
High school (grades 9-12) · Flagstaff, AZ
Flagstaff High School
Federal NCES profile for Flagstaff High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040286000215
👥 S:T ratio 16
📚 AP courses 60
🌟 Gifted program 70
🎓 Counselors 35
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Flagstaff High School earns 36/100 on the Resource Investment Index, with class sizes larger than 81% of Arizona schools. It is also one of the largest schools in Arizona.
- #16 of 23
- public schools in Flagstaff · Resource Index
- 36
- Resource Index · Typical
- 20.9:1
- large classes for Arizona
- 21.0%
- free-lunch eligible
Flagstaff High School has class sizes larger than 81% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Flagstaff High School ranks #16 of 23 public schools in Flagstaff, AZ.
School address
District: Flagstaff Unified District (4192) · Arizona
NCES ID 040286000215 Verify on NCES CCD record →
Teachers (FTE)
78.0
Federal CCD staff survey
Students per teacher
20.9:1
vs 17:1 Arizona avg
+23% vs state
Free-lunch eligible
21.0%
vs 48.3% Arizona avg
-57% vs state
Student-teacher ratio in context
How Flagstaff High School compares with Arizona and U.S. medians
What stands out at Flagstaff High School
Flagstaff High School is a large high school in Flagstaff, Arizona, enrolling 1,631 students.
Class loads run somewhat heavier than typical: 20.9:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 21.0% of students eligible for free meals.
By headcount it is one of the larger campuses in Arizona, bigger than 95% of state schools at 1,631 students.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 85 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #35.
Its student body is led by White (46%) and American Indian / Alaska Native (27%) (diversity index 67/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 326 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 50.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 18.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Flagstaff's high schools, it stands alongside Ponderosa High School (85 students): Flagstaff High School is larger than that campus by headcount and runs leaner classes (20.9:1 vs 28.3:1).
Flagstaff Unified District (4192) also operates Coconino High School (1,444 students) and Sinagua Middle School (1,013 students) alongside Flagstaff High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Flagstaff High School compares
Flagstaff High School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.9:1 | ▲ 23% | 17:1 | 15.7:1 |
| Free-lunch eligible | 21.0% | ▼ 57% | 48.3% | 51.7% |
| Enrollment | 1,631 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.9:1
Leaner classes than 13% of US schools, heavier class loads than most.
1,631
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
21.0%
free-lunch eligible
- 57% below the Arizona average of 48.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.9:1
students per teacher
- 23% above state mean
Top 81% in Arizona - lower ratio than 19% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
50.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,218
per pupil, district-wide
- below Arizona avg of $13,145
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 326 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 16 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 1.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 45.6%
American Indian / Alaska Native 27.3%
Hispanic or Latino 22.1%
Two or More 3.0%
Asian 1.0%
African American 0.8%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 45.6% of enrollment.
Student-body diversity index 66.8/100
Simpson diversity index - at 66.8, Flagstaff High School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 12
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Flagstaff Unified District (4192), which includes Flagstaff High School.
$11,218
Per student
-15%
vs Arizona
Avg $13,145
-32%
vs U.S.
Avg $16,593
Revenue mix
Local 61.3%
State 20.2%
Federal 18.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Flagstaff High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Coconino High School | Similar size | Similar economic need | Lower S:T ratio |
| Sinagua Middle School | Smaller | Higher economic need | Lower S:T ratio |
| Mount Elden Middle School | Smaller | Higher economic need | Lower S:T ratio |
| Manuel Demiguel Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Weitzel's Puente De Hozho Bilingual Magnet School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Flagstaff High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,444
- Students per teacher
- 19.3:1
- Resource Index
- 30/100
- Enrollment
- 1,013
- Students per teacher
- 17.8:1
- Resource Index
- 25/100
- Enrollment
- 678
- Students per teacher
- 14.7:1
- Resource Index
- 36/100
- Enrollment
- 561
- Students per teacher
- 14.8:1
- Resource Index
- 28/100
- Enrollment
- 426
- Students per teacher
- 16.4:1
- Resource Index
- 30/100
Similar high schools in Flagstaff
2 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,631 students)
Similar student-teacher ratio (~20.9:1)
Next steps
Verify locally before acting on Flagstaff High School's federal record.
- Compare Flagstaff High School against another school. Compare schools
- Flagstaff Unified District (4192)'s spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Flagstaff High School
How many students attend Flagstaff High School?
Flagstaff High School has 1,631 students enrolled. It is a high school in Flagstaff, AZ.
What is the student-teacher ratio at Flagstaff High School?
The student-teacher ratio at Flagstaff High School is 20.9:1, which is 23% higher than the Arizona average of 17:1 and 33% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Flagstaff High School?
21.0% of students at Flagstaff High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Flagstaff High School?
The largest demographic group at Flagstaff High School is White at 45.6% of enrollment, in Flagstaff, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.8/100.
What is the Resource Investment Index for Flagstaff High School?
Flagstaff High School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Flagstaff High School rank among public schools in Flagstaff?
By Resource Investment Index, Flagstaff High School ranks #16 of 23 public schools in Flagstaff, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Flagstaff on the city page.
Is Flagstaff High School a good school?
Flagstaff High School earns 36/100 on the Resource Investment Index, with class sizes larger than 81% of Arizona schools. It is also one of the largest schools in Arizona. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Flagstaff Unified District (4192)?
Besides Flagstaff High School, Flagstaff Unified District (4192) also operates Coconino High School (1,444 students), Sinagua Middle School (1,013 students), and Mount Elden Middle School (678 students). See the Flagstaff Unified District (4192) district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.