Enrollment
2,201
California · 2024-25 NCES data
High school (grades 9-12) · Alhambra, CA
Federal NCES profile for Mark Keppel High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Mark Keppel High earns 48/100 on the Resource Investment Index, with class sizes larger than 86% of California schools. It is also one of the largest schools in California.
Mark Keppel High has class sizes larger than 86% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mark Keppel High ranks #2 of 3 high schools in Alhambra, CA.
NCES ID 060015310930 Verify on NCES CCD record →
Enrollment
2,201
California · 2024-25 NCES data
Teachers (FTE)
84.0
Federal CCD staff survey
Students per teacher
26.2:1
vs 21.5:1 California avg
+22% vs state
Free-lunch eligible
41.3%
vs 55.5% California avg
-26% vs state
How Mark Keppel High compares with California and U.S. medians
Larger classes than state median
26.2:1 - 4.7 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Mark Keppel High is a large high school in Alhambra, California, enrolling 2,201 students.
Class loads run heavy: 26.2:1 is larger than about 86% of California schools and 22% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 41.3% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 98% of state schools at 2,201 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 261 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #86.
Its student body is led by Asian (63%) and Hispanic or Latino (26%) (diversity index 53/100).
On the academic-pipeline side it reports 25 Advanced Placement courses.
Counselor access is stretched at roughly 400 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 3.5% of students were chronically absent, below the typical post-pandemic national figure.
Among Alhambra's high schools, it stands alongside Alhambra High (2,056 students): Mark Keppel High is larger than that campus by headcount and runs heavier classes (26.2:1 vs 21.6:1).
Alhambra Unified also operates Alhambra High (2,056 students) and San Gabriel High (1,761 students) alongside Mark Keppel 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
Mark Keppel 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 | 26.2:1 | ▲ 22% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 41.3% | ▼ 26% | 55.5% | 51.7% |
| Enrollment | 2,201 | top 2% | - | - |
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 62.8% of enrollment.
Simpson diversity index - at 52.9, Mark Keppel High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Alhambra Unified, which includes Mark Keppel 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 |
|---|---|---|---|
| Alhambra High | Similar size | Similar economic need | Lower S:T ratio |
| San Gabriel High | Similar size | Higher economic need | Lower S:T ratio |
| Martha Baldwin Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Monterey Highlands Elementary | Smaller | Similar economic need | Similar S:T ratio |
| William Northrup Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mark Keppel 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 Mark Keppel 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.
Mark Keppel High has 2,201 students enrolled. It is a high school in Alhambra, CA.
The student-teacher ratio at Mark Keppel High is 26.2:1, which is 22% higher than the California average of 21.5:1 and 67% higher than the national average of 15.7:1.
41.3% of students at Mark Keppel High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mark Keppel High is Asian at 62.8% of enrollment, in Alhambra, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.9/100.
Mark Keppel High has a Resource Investment Index of 48/100 (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, Mark Keppel High ranks #2 of 3 high schools in Alhambra, 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 Alhambra on the city page.
Mark Keppel High earns 48/100 on the Resource Investment Index, with class sizes larger than 86% of California schools. 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 Mark Keppel High, Alhambra Unified also operates Alhambra High (2,056 students), San Gabriel High (1,761 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, “Mark Keppel High, Alhambra 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/mark-keppel-high-ca
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