Enrollment
2,475
California · 2024-25 NCES data
High school (grades 9-12) · Mission Viejo, CA
Federal NCES profile for Trabuco Hills High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Trabuco Hills High earns 50/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
Trabuco Hills High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Trabuco Hills High ranks #3 of 4 high schools in Mission Viejo, CA.
NCES ID 063386008957 Verify on NCES CCD record →
Enrollment
2,475
California · 2024-25 NCES data
Teachers (FTE)
111.0
Federal CCD staff survey
Students per teacher
22.3:1
vs 21.5:1 California avg
+4% vs state
Free-lunch eligible
24.4%
vs 55.5% California avg
-56% vs state
How Trabuco Hills High compares with California and U.S. medians
Slightly above state median
22.3:1 - 0.8 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Trabuco Hills High is a large high school in Mission Viejo, California, enrolling 2,475 students.
At 22.3:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 24.4% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 99% of state schools at 2,475 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 233 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #52.
Its student body is led by White (44%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 69/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 354 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 23.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Mission Viejo's high schools, it stands alongside Capistrano Valley High (1,991 students): Trabuco Hills High is larger than that campus by headcount and runs heavier classes (22.3:1 vs 21.9:1).
Saddleback Valley Unified also operates El Toro High (1,902 students) and Mission Viejo High (1,566 students) alongside Trabuco Hills 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
Trabuco Hills 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 | 22.3:1 | ▲ 4% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 24.4% | ▼ 56% | 55.5% | 51.7% |
| Enrollment | 2,475 | top 1% | - | - |
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 43.7% of enrollment.
Simpson diversity index - at 68.7, Trabuco Hills High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Saddleback Valley Unified, which includes Trabuco Hills 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 |
|---|---|---|---|
| El Toro High | Similar size | Higher economic need | Similar S:T ratio |
| Mission Viejo High | Smaller | Similar economic need | Similar S:T ratio |
| Laguna Hills High | Smaller | Higher economic need | Lower S:T ratio |
| Rancho Santa Margarita Intermediate | Smaller | Similar economic need | Higher S:T ratio |
| Foothill Ranch Elementary | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Trabuco Hills High's own figures; each column derives from NCES Common Core of Data.
3 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 Trabuco Hills 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.
Trabuco Hills High has 2,475 students enrolled. It is a high school in Mission Viejo, CA.
The student-teacher ratio at Trabuco Hills High is 22.3:1, which is 4% higher than the California average of 21.5:1 and 42% higher than the national average of 15.7:1.
24.4% of students at Trabuco Hills High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Trabuco Hills High is White at 43.7% of enrollment, in Mission Viejo, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.7/100.
Trabuco Hills High has a Resource Investment Index of 50/100 (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, Trabuco Hills High ranks #3 of 4 high schools in Mission Viejo, 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 Mission Viejo on the city page.
Trabuco Hills High earns 50/100 on the Resource Investment Index, with class sizes near the California median. 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 Trabuco Hills High, Saddleback Valley Unified also operates El Toro High (1,902 students), Mission Viejo High (1,566 students), and Laguna Hills High (1,317 students). See the Saddleback Valley 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, “Trabuco Hills High, Mission Viejo 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/trabuco-hills-high-ca
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