Enrollment
1,028
California · 2024-25 NCES data
High school (grades 9-12) · Martinez, CA
Federal NCES profile for Alhambra Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Alhambra Senior High earns 38/100 on the Resource Investment Index, with class sizes smaller than 70% of California schools. It is also more racially and ethnically mixed than most California schools.
Alhambra Senior High has class sizes smaller than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Alhambra Senior High ranks #3 of 10 public schools in Martinez, CA.
NCES ID 062403003612 Verify on NCES CCD record →
Enrollment
1,028
California · 2024-25 NCES data
Teachers (FTE)
53.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 21.5:1 California avg
-10% vs state
Free-lunch eligible
27.1%
vs 55.5% California avg
-51% vs state
How Alhambra Senior High compares with California and U.S. medians
Smaller classes than state median
19.4:1 - 2.1 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Alhambra Senior High is a large high school in Martinez, California, enrolling 1,028 students.
Class sizes run a bit leaner than typical: 19.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 27.1% of students eligible for free meals.
Enrollment of 1,028 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 778 statewide peers matched on enrollment and economic need, it ranks mid-pack at #417.
Its student body is led by White (39%) and Hispanic or Latino (37%), more mixed than most schools in the state (diversity index 69/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 367 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 21.1% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Among Martinez's high schools, it stands alongside Vicente Martinez High (50 students): Alhambra Senior High is larger than that campus by headcount and runs heavier classes (19.4:1 vs 12.5:1).
Martinez Unified also operates Martinez Junior High (843 students) and John Swett Elementary (533 students) alongside Alhambra Senior 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
Alhambra Senior 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 | 19.4:1 | ▼ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 27.1% | ▼ 51% | 55.5% | 51.7% |
| Enrollment | 1,028 | top 11% | - | - |
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: White at 39.2% of enrollment.
Simpson diversity index - at 69.1, Alhambra Senior High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Martinez Unified, which includes Alhambra Senior 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 |
|---|---|---|---|
| Martinez Junior High | Similar size | Similar economic need | Higher S:T ratio |
| John Swett Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Morello Park Elementary | Smaller | Similar economic need | Higher S:T ratio |
| John Muir Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Las Juntas Elementary | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Alhambra Senior High's own figures; each column derives from NCES Common Core of Data.
1 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 Alhambra Senior 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.
Alhambra Senior High has 1,028 students enrolled. It is a high school in Martinez, CA.
The student-teacher ratio at Alhambra Senior High is 19.4:1, which is 10% lower than the California average of 21.5:1 and 24% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
27.1% of students at Alhambra Senior High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Alhambra Senior High is White at 39.2% of enrollment, in Martinez, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.1/100.
Alhambra Senior High has a Resource Investment Index of 38/100 (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, Alhambra Senior High ranks #3 of 10 public schools in Martinez, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Martinez on the city page.
Alhambra Senior High earns 38/100 on the Resource Investment Index, with class sizes smaller than 70% of California schools. It is also more racially and ethnically mixed than most California schools. 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 Alhambra Senior High, Martinez Unified also operates Martinez Junior High (843 students), John Swett Elementary (533 students), and Morello Park Elementary (496 students). See the Martinez 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, “Alhambra Senior High, Martinez 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/alhambra-senior-high-ca
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