Enrollment
1,761
California · 2024-25 NCES data
High school (grades 9-12) · San Gabriel, CA
Federal NCES profile for San Gabriel High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
The verdict
San Gabriel High earns 42/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
San Gabriel High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, San Gabriel High ranks #3 of 3 high schools in San Gabriel, CA.
NCES ID 060015310931 Verify on NCES CCD record →
Enrollment
1,761
California · 2024-25 NCES data
Teachers (FTE)
79.0
Federal CCD staff survey
Students per teacher
22.3:1
vs 21.5:1 California avg
+4% vs state
Free-lunch eligible
61.7%
vs 55.5% California avg
+11% vs state
How San Gabriel High compares with California and U.S. medians
Slightly above state median
22.3:1 - 0.8 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
San Gabriel High is a higher-need, large high school in San Gabriel, California, enrolling 1,761 students.
At 22.3:1, 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.
Its free-meal eligibility rate of 61.7% lands close to the California typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in California, bigger than 96% of state schools at 1,761 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 352 statewide peers matched on enrollment and economic need, it ranks mid-pack at #211.
Its student body is led by Asian (54%) and Hispanic or Latino (39%) (diversity index 55/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 352 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 22.8% of students chronically absent per the 2021-22 civil-rights collection.
Among San Gabriel's high schools, it stands alongside Gabrielino High (1,438 students): San Gabriel High is larger than that campus by headcount and runs heavier classes (22.3:1 vs 22.1:1).
Alhambra Unified also operates Mark Keppel High (2,201 students) and Alhambra High (2,056 students) alongside San Gabriel 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
San Gabriel 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 | 22.3:1 | ▲ 4% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 61.7% | ▲ 11% | 55.5% | 51.7% |
| Enrollment | 1,761 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Asian at 54.2% of enrollment.
Simpson diversity index - at 55.3, San Gabriel High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Alhambra Unified, which includes San Gabriel High.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mark Keppel High | Similar size | Lower economic need | Higher S:T ratio |
| Alhambra High | Similar size | Lower economic need | Similar S:T ratio |
| Martha Baldwin Elementary | Smaller | Lower economic need | Higher S:T ratio |
| Monterey Highlands Elementary | Smaller | Lower economic need | Higher S:T ratio |
| William Northrup Elementary | Smaller | Lower economic need | Similar S:T ratio |
Comparisons are relative to San Gabriel High's own figures; each column derives from NCES Common Core of Data.
2 comparable high schools (grades 9-12) serving the same city.
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.
Next steps
Verify locally before acting on San Gabriel High's federal record.
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.
San Gabriel High has 1,761 students enrolled. It is a high school in San Gabriel, CA.
The student-teacher ratio at San Gabriel High is 22.3:1, which is 4% higher than the California average of 21.5:1 and 42% higher than the national average of 15.7:1.
61.7% of students at San Gabriel High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at San Gabriel High is Asian at 54.2% of enrollment, in San Gabriel, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.3/100.
San Gabriel High has a Resource Investment Index of 42/100 (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).
By Resource Investment Index, San Gabriel High ranks #3 of 3 high schools in San Gabriel, 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 San Gabriel on the city page.
San Gabriel High earns 42/100 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.
Besides San Gabriel High, Alhambra Unified also operates Mark Keppel High (2,201 students), Alhambra High (2,056 students), and Martha Baldwin Elementary (923 students). See the Alhambra Unified district page for the complete list.
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.
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PlainSchools, “San Gabriel High, San Gabriel CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/san-gabriel-high-ca
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