Enrollment
1,592
California · 2024-25 NCES data
High school (grades 9-12) · Hacienda Heights, CA
Federal NCES profile for Los Altos High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
The verdict
Los Altos High earns 53/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools.
Los Altos High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Los Altos High ranks #2 of 3 high schools in Hacienda Heights, CA.
NCES ID 061632502053 Verify on NCES CCD record →
Enrollment
1,592
California · 2024-25 NCES data
Teachers (FTE)
68.0
Federal CCD staff survey
Students per teacher
23.4:1
vs 21.5:1 California avg
+9% vs state
Free-lunch eligible
52.0%
vs 55.5% California avg
-6% vs state
How Los Altos High compares with California and U.S. medians
Slightly above state median
23.4:1 - 1.9 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Los Altos High is a higher-need, large high school in Hacienda Heights, California, enrolling 1,592 students.
Class loads run somewhat heavier than typical: 23.4:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 52.0% 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 94% of state schools at 1,592 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Among 368 similarly sized, similarly resourced-need California schools statewide, it ranks #20, a top-tier result once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (90% of enrollment), among the less diverse in the state (diversity index 19/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor coverage runs a bit thin, about 265 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 21.3% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Hacienda Heights's high schools, it stands alongside Glen a. Wilson High (1,456 students): Los Altos High is larger than that campus by headcount and runs leaner classes (23.4:1 vs 24.7:1).
Hacienda La Puente Unified also operates Glen a. Wilson High (1,456 students) and Mesa Robles (1,246 students) alongside Los Altos 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
Los Altos 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 | 23.4:1 | ▲ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 52.0% | ▼ 6% | 55.5% | 51.7% |
| Enrollment | 1,592 | top 6% | - | - |
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: Hispanic or Latino at 89.7% of enrollment.
Simpson diversity index - at 19.1, Los Altos High is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Hacienda La Puente Unified, which includes Los Altos 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 |
|---|---|---|---|
| Glen a. Wilson High | Similar size | Similar economic need | Similar S:T ratio |
| Mesa Robles | Similar size | Lower economic need | Higher S:T ratio |
| Cedarlane Academy | Smaller | Similar economic need | Higher S:T ratio |
| La Puente High | Smaller | Higher economic need | Lower S:T ratio |
| Fairgrove Academy | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Los Altos 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 Los Altos 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.
Los Altos High has 1,592 students enrolled. It is a high school in Hacienda Heights, CA.
The student-teacher ratio at Los Altos High is 23.4:1, which is 9% higher than the California average of 21.5:1 and 49% higher than the national average of 15.7:1.
52.0% of students at Los Altos High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Los Altos High is Hispanic or Latino at 89.7% of enrollment, in Hacienda Heights, CA.
Los Altos High has a Resource Investment Index of 53/100 (higher 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, Los Altos High ranks #2 of 3 high schools in Hacienda Heights, 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 Hacienda Heights on the city page.
Los Altos High earns 53/100 on the Resource Investment Index, with class sizes near the California median. It is also less 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 Los Altos High, Hacienda La Puente Unified also operates Glen a. Wilson High (1,456 students), Mesa Robles (1,246 students), and Cedarlane Academy (878 students). See the Hacienda La Puente 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, “Los Altos High, Hacienda Heights 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/los-altos-high-ca
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