High school (grades 9-12) · San Gabriel, CA

San Gabriel High

Federal NCES profile for San Gabriel High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 060015310931
0/100100/10042/100
👥 S:T ratio
11
📚 AP courses
95
🌟 Gifted program
30
🎓 Counselors
30
📋 Attendance
43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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.

#3 of 3
high schools in San Gabriel · Resource Index
42
Resource Index · Typical
22.3:1
students per teacher
61.7%
free-lunch eligible

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.

School address

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

Student-teacher ratio in context

How San Gabriel High compares with California and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at San Gabriel High

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

How San Gabriel High compares

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

22.3:1
Leaner classes than 10% of US schools, heavier class loads than most.
1,761
Bigger than 97% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
61.7%
free-lunch eligible - 11% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22.3:1
students per teacher - 4% above state mean
Top 56% in California - lower ratio than 44% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
22.8%
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
$16,930
per pupil, district-wide - above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors5.0 FTE
Per 352 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 33 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 2.0 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

Asian 54.2%
Hispanic or Latino 38.7%
Two or More 5.7%
White 0.9%
African American 0.5%
American Indian / Alaska Native 0.1%

Largest group: Asian at 54.2% of enrollment.

Student-body diversity index 55.3/100

Simpson diversity index - at 55.3, San Gabriel High is more mixed than the California school average of 46.0.

Programs

AP courses offered 19

Funding & spending

District-wide per-pupil expenditure for Alhambra Unified, which includes San Gabriel High.

$16,930
Per student
+3%
vs California
Avg $16,509
+2%
vs U.S.
Avg $16,593
Revenue mix
Local 22.5%
State 63.4%
Federal 14.1%

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 San Gabriel High Compares to District-Mates

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.

Other Schools in This District

Alhambra Unified · 5 sibling schools

View district profile

Similar high schools in San Gabriel

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 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.

Frequently asked questions about San Gabriel High

How many students attend San Gabriel High?

San Gabriel High has 1,761 students enrolled. It is a high school in San Gabriel, CA.

What is the student-teacher ratio at San Gabriel High?

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.

What percentage of students receive free lunch at San Gabriel High?

61.7% of students at San Gabriel High are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of San Gabriel High?

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.

What is the Resource Investment Index for San Gabriel High?

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).

How does San Gabriel High rank among high schools in San Gabriel?

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.

Is San Gabriel High a good school?

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.

What other schools are in Alhambra Unified?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.