- Enrollment
- 1,444
- Students per teacher
- 19.3:1
- Resource Index
- 30/100
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 30/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040286000215
👥 S:T ratio 16
🌟 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 30/100 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
- 30
- Resource Index · Lower
- 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 →
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
Flagstaff High School held near 1,625 students from 2022-23 to 2023-24 (+5 headcount).
Teacher FTE added 78.2 → 83.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+5 students YoY 040286000215 · Flagstaff, AZ High · MID · TRAD
1,631 enr · 20.9:1 · 21.0% lunch · RII 30
Nearest enrollment peer: Coconino High School (1,444 students)
Flagstaff High School held near 1,625 students from 2022-23 to 2023-24 (+5 headcount). Teacher FTE added 78.2 → 83.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Flagstaff High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Flagstaff High School
1,631 students
- Coconino High
Coconino High School
1,444 students
- Sinagua Middle
Sinagua Middle School
1,013 students
- Mount Elden Mi
Mount Elden Middle School
678 students
- Manuel Demigue 561
Manuel Demiguel Elementary School
561 students
- Weitzel's Puen 426
Weitzel's Puente De Hozho Bilingual Magnet School
426 students
What this shows Flagstaff High School reports 1,631 students on the CCD universe file.
How Flagstaff High School compares
Flagstaff High School held steady on CCD headcount: ratios and free-lunch share vs 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 methodology
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
$11,945
per pupil, district-wide
- below Arizona avg of $13,502
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.
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
District finance for Flagstaff Unified District (4192) reports $11,945 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 1,013
- 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.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,631 students)
Similar student-teacher ratio (~20.9:1)
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. CCD year-over-year: 1,620 (2022-23) → 1,625 (2023-24), nearly flat (+5).
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 30/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.