Enrollment
1,844
California · 2024-25 NCES data
High school (grades 9-12) · Fairfield, CA
Armijo High
Federal NCES profile for Armijo High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 061336001510
👥 S:T ratio 14
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 39
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Armijo High earns 23/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #4 of 6
- high schools in Fairfield · Resource Index
- 23
- Resource Index · Lower
- 21.4:1
- students per teacher
- 48.0%
- free-lunch eligible
Armijo High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Armijo High ranks #4 of 6 high schools in Fairfield, CA.
School address
District: Fairfield-Suisun Unified · California
NCES ID 061336001510 Verify on NCES CCD record →
Teachers (FTE)
86.0
Federal CCD staff survey
Students per teacher
21.4:1
vs 21.5:1 California avg
-0% vs state
Free-lunch eligible
48.0%
vs 55.5% California avg
-14% vs state
Student-teacher ratio in context
How Armijo High compares with California and U.S. medians
What stands out at Armijo High
Armijo High is a large high school in Fairfield, California, enrolling 1,844 students.
At 21.4:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 48.0% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 96% of state schools at 1,844 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 321 statewide peers matched on enrollment and economic need, it ranks mid-pack at #205.
Its student body is led by Hispanic or Latino (59%) and African American (13%) (diversity index 61/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage runs a bit thin, about 307 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
The surrounding Fairfield-Suisun Unified spends $13,113 per pupil, 21% below the California average, a leaner-resourced district than most.
The federal civil-rights collection also records 11 expulsions at this campus for 2021-22.
Among Fairfield's high schools, it stands alongside Angelo Rodriguez High (2,111 students): Armijo High is smaller than that campus by headcount and runs leaner classes (21.4:1 vs 24.8:1).
Fairfield-Suisun Unified also operates Angelo Rodriguez High (2,111 students) and Fairfield High (1,605 students) alongside Armijo High.
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 Armijo High compares
Armijo High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.4:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 48.0% | ▼ 14% | 55.5% | 51.7% |
| Enrollment | 1,844 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.4:1
Leaner classes than 12% of US schools, heavier class loads than most.
1,844
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
48.0%
free-lunch eligible
- 14% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.4:1
students per teacher
- 0% below state mean
Top 47% in California - lower ratio than 53% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$13,113
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 307 students, the combined health-and-guidance staffing load for this school.
Discipline context
13
in-school suspensions + 174 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 10.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 11 expulsions.
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
Hispanic or Latino 58.8%
African American 13.2%
Asian 12.3%
White 7.5%
Two or More 6.7%
Native Hawaiian / Pacific Islander 1.3%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 58.8% of enrollment.
Student-body diversity index 61.1/100
Simpson diversity index - at 61.1, Armijo High is more mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Fairfield-Suisun Unified, which includes Armijo High.
$13,113
Per student
-21%
vs California
Avg $16,509
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 29.6%
State 60.2%
Federal 10.3%
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 Armijo High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Angelo Rodriguez High | Similar size | Lower economic need | Higher S:T ratio |
| Fairfield High | Similar size | Similar economic need | Higher S:T ratio |
| Grange Middle | Smaller | Higher economic need | Higher S:T ratio |
| Green Valley Middle | Smaller | Lower economic need | Higher S:T ratio |
| Crystal Middle | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Armijo High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,111
- Students per teacher
- 24.8:1
- Resource Index
- 12/100
- Enrollment
- 1,605
- Students per teacher
- 22.9:1
- Resource Index
- 19/100
- Enrollment
- 944
- Students per teacher
- 29.5:1
- Resource Index
- 23/100
- Enrollment
- 903
- Students per teacher
- 27.4:1
- Resource Index
- 28/100
- Enrollment
- 774
- Students per teacher
- 28.7:1
- Resource Index
- 26/100
Similar high schools in Fairfield
5 comparable high schools (grades 9-12) serving the same city.
Angelo Rodriguez High
Standard public school
2,111 students 24.8:1 students per teacher
Vanden High
Standard public school
1,631 students 23.6:1 students per teacher
Fairfield High
Standard public school
1,605 students 22.9:1 students per teacher
Sem Yeto Continuation High
Alternative education program
311 students 16.4:1 students per teacher
Travis Education Center
Alternative education program
67 students 13.4:1 students per teacher
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,844 students)
Similar student-teacher ratio (~21.4:1)
Next steps
Verify locally before acting on Armijo High's federal record.
- Compare Armijo High against another school. Compare schools
- Fairfield-Suisun Unified'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 Armijo High
How many students attend Armijo High?
Armijo High has 1,844 students enrolled. It is a high school in Fairfield, CA.
What is the student-teacher ratio at Armijo High?
The student-teacher ratio at Armijo High is 21.4:1, which is 0% lower than the California average of 21.5:1 and 36% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Armijo High?
48.0% of students at Armijo High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Armijo High?
The largest demographic group at Armijo High is Hispanic or Latino at 58.8% of enrollment, in Fairfield, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.1/100.
What is the Resource Investment Index for Armijo High?
Armijo High has a Resource Investment Index of 23/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Armijo High rank among high schools in Fairfield?
By Resource Investment Index, Armijo High ranks #4 of 6 high schools in Fairfield, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Fairfield on the city page.
Is Armijo High a good school?
Armijo High earns 23/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California. 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 Fairfield-Suisun Unified?
Besides Armijo High, Fairfield-Suisun Unified also operates Angelo Rodriguez High (2,111 students), Fairfield High (1,605 students), and Grange Middle (944 students). See the Fairfield-Suisun Unified 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.