Enrollment
2,030
California · 2024-25 NCES data
High school (grades 9-12) · Las Flores, CA
Federal NCES profile for Tesoro High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Tesoro High earns 51/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
Tesoro High has class sizes near the California median. Computed live against every California school reporting to NCES.
NCES ID 060744008750 Verify on NCES CCD record →
Enrollment
2,030
California · 2024-25 NCES data
Teachers (FTE)
92.0
Federal CCD staff survey
Students per teacher
22.1:1
vs 21.5:1 California avg
+3% vs state
Free-lunch eligible
13.5%
vs 55.5% California avg
-76% vs state
How Tesoro High compares with California and U.S. medians
Slightly above state median
22.1:1 - 0.6 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Tesoro High is a lower-poverty, large high school in Las Flores, California, enrolling 2,030 students.
At 22.1:1, 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.
Comparatively few students face economic hardship here, 13.5% free-meal eligibility runs 76% below the California average.
By headcount it is one of the larger campuses in California, bigger than 97% of state schools at 2,030 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 191 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #46.
Its student body is led by White (56%) and Hispanic or Latino (16%) (diversity index 62/100).
On the academic-pipeline side it reports 22 Advanced Placement courses.
Counselor access is stretched at roughly 406 students per counselor, well above the ASCA-recommended 250:1 ceiling.
17.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Capistrano Unified also operates San Clemente High (2,740 students) and San Juan Hills High (2,641 students) alongside Tesoro 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
Tesoro 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 | 22.1:1 | ▲ 3% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 13.5% | ▼ 76% | 55.5% | 51.7% |
| Enrollment | 2,030 | top 3% | - | - |
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 56.1% of enrollment.
Simpson diversity index - at 62.3, Tesoro High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Capistrano Unified, which includes Tesoro 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 |
|---|---|---|---|
| San Clemente High | Larger | Higher economic need | Similar S:T ratio |
| San Juan Hills High | Larger | Higher economic need | Similar S:T ratio |
| Aliso Niguel High | Larger | Similar economic need | Similar S:T ratio |
| Capistrano Valley High | Similar size | Higher economic need | Similar S:T ratio |
| Dana Hills High | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Tesoro High's own figures; each column derives from NCES Common Core of Data.
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 Tesoro 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.
Tesoro High has 2,030 students enrolled. It is a high school in Las Flores, CA.
The student-teacher ratio at Tesoro High is 22.1:1, which is 3% higher than the California average of 21.5:1 and 41% higher than the national average of 15.7:1.
13.5% of students at Tesoro High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Tesoro High is White at 56.1% of enrollment, in Las Flores, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.3/100.
Tesoro High has a Resource Investment Index of 51/100 (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).
Tesoro High earns 51/100 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 Tesoro High, Capistrano Unified also operates San Clemente High (2,740 students), San Juan Hills High (2,641 students), and Aliso Niguel High (2,563 students). See the Capistrano 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, “Tesoro High, Las Flores 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/tesoro-high-ca
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