Enrollment
1,779
California · 2024-25 NCES data
High school (grades 9-12) · La Habra, CA
Federal NCES profile for Sonora High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
The verdict
Sonora High earns 31/100 on the Resource Investment Index, with class sizes larger than 77% of California schools. It is also one of the largest schools in California.
Sonora High has class sizes larger than 77% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sonora High ranks #8 of 14 public schools in La Habra, CA.
NCES ID 061476001814 Verify on NCES CCD record →
Enrollment
1,779
California · 2024-25 NCES data
Teachers (FTE)
72.0
Federal CCD staff survey
Students per teacher
24.7:1
vs 21.5:1 California avg
+15% vs state
Free-lunch eligible
45.6%
vs 55.5% California avg
-18% vs state
How Sonora High compares with California and U.S. medians
Larger classes than state median
24.7:1 - 3.2 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Sonora High is a large high school in La Habra, California, enrolling 1,779 students.
Class loads run somewhat heavier than typical: 24.7:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 45.6% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 96% of state schools at 1,779 students.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 333 similarly sized, similarly resourced-need California schools statewide, it ranks #269, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (74%) and White (12%) (diversity index 43/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor access is stretched at roughly 593 students per counselor, well above the ASCA-recommended 250:1 ceiling.
13.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among La Habra's high schools, it stands alongside La Habra High (1,881 students): Sonora High is smaller than that campus by headcount and runs heavier classes (24.7:1 vs 22.7:1).
Fullerton Joint Union High also operates Troy High (2,504 students) and Sunny Hills High (2,337 students) alongside Sonora 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
Sonora 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 | 24.7:1 | ▲ 15% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 45.6% | ▼ 18% | 55.5% | 51.7% |
| Enrollment | 1,779 | 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: Hispanic or Latino at 74.1% of enrollment.
Simpson diversity index - at 42.5, Sonora High is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Fullerton Joint Union High, which includes Sonora 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 |
|---|---|---|---|
| Troy High | Larger | Lower economic need | Lower S:T ratio |
| Sunny Hills High | Larger | Lower economic need | Similar S:T ratio |
| La Habra High | Similar size | Similar economic need | Lower S:T ratio |
| Fullerton Union High | Similar size | Similar economic need | Similar S:T ratio |
| Buena Park High | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Sonora 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 Sonora 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.
Sonora High has 1,779 students enrolled. It is a high school in La Habra, CA.
The student-teacher ratio at Sonora High is 24.7:1, which is 15% higher than the California average of 21.5:1 and 57% higher than the national average of 15.7:1.
45.6% of students at Sonora High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Sonora High is Hispanic or Latino at 74.1% of enrollment, in La Habra, CA.
Sonora High has a Resource Investment Index of 31/100 (lower 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, Sonora High ranks #8 of 14 public schools in La Habra, 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 La Habra on the city page.
Sonora High earns 31/100 on the Resource Investment Index, with class sizes larger than 77% 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 Sonora High, Fullerton Joint Union High also operates Troy High (2,504 students), Sunny Hills High (2,337 students), and La Habra High (1,881 students). See the Fullerton Joint Union High 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, “Sonora High, La Habra 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/sonora-high-ca
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