High school (grades 9-12) · La Habra, CA

Sonora High

Federal NCES profile for Sonora High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 061476001814
0/100100/10031/100
👥 S:T ratio
1
📚 AP courses
60
🌟 Gifted program
30
🎓 Counselors
0
📋 Attendance
65
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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.

#8 of 14
public schools in La Habra · Resource Index
31
Resource Index · Lower
24.7:1
large classes for California
45.6%
free-lunch eligible

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.

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

Student-teacher ratio in context

How Sonora High compares with California and U.S. medians

Larger classes than 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 Sonora High

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

How Sonora High compares

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

24.7:1
Leaner classes than 5% of US schools, heavier class loads than most.
1,779
Bigger than 97% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
45.6%
free-lunch eligible - 18% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
24.7:1
students per teacher - 15% above state mean
Top 77% in California - lower ratio than 23% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
13.9%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$14,663
per pupil, district-wide - below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 593 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 107 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 6.1 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

Hispanic or Latino 74.1%
White 12.4%
Asian 9.7%
Two or More 2.4%
African American 1.2%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%

Largest group: Hispanic or Latino at 74.1% of enrollment.

Student-body diversity index 42.5/100

Simpson diversity index - at 42.5, Sonora High is less mixed than the California school average of 46.0.

Programs

AP courses offered 12

Funding & spending

District-wide per-pupil expenditure for Fullerton Joint Union High, which includes Sonora High.

$14,663
Per student
-11%
vs California
Avg $16,509
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 50.4%
State 41.3%
Federal 8.3%

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 Sonora High Compares to District-Mates

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.

Other Schools in This District

Fullerton Joint Union High · 5 sibling schools

View district profile

Similar high schools in La Habra

1 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 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.

Frequently asked questions about Sonora High

How many students attend Sonora High?

Sonora High has 1,779 students enrolled. It is a high school in La Habra, CA.

What is the student-teacher ratio at Sonora High?

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.

What percentage of students receive free lunch at Sonora High?

45.6% of students at Sonora High are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Sonora High?

The largest demographic group at Sonora High is Hispanic or Latino at 74.1% of enrollment, in La Habra, CA.

What is the Resource Investment Index for Sonora High?

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).

How does Sonora High rank among public schools in La Habra?

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.

Is Sonora High a good school?

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.

What other schools are in Fullerton Joint Union High?

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.

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.