Enrollment
2,336
California · 2024-25 NCES data
High school (grades 9-12) · Carlsbad, CA
Federal NCES profile for Carlsbad High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Carlsbad High earns 41/100 on the Resource Investment Index, with class sizes larger than 72% of California schools. It is also one of the largest schools in California.
Carlsbad High has class sizes larger than 72% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Carlsbad High ranks #3 of 3 high schools in Carlsbad, CA.
NCES ID 060750000709 Verify on NCES CCD record →
Enrollment
2,336
California · 2024-25 NCES data
Teachers (FTE)
97.0
Federal CCD staff survey
Students per teacher
24.1:1
vs 21.5:1 California avg
+12% vs state
Free-lunch eligible
21.9%
vs 55.5% California avg
-61% vs state
How Carlsbad High compares with California and U.S. medians
Slightly above state median
24.1:1 - 2.6 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Carlsbad High is a large high school in Carlsbad, California, enrolling 2,336 students.
Class loads run somewhat heavier than typical: 24.1:1 puts it in the larger third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 21.9% free-meal eligibility runs 61% below the California average.
By headcount it is one of the larger campuses in California, bigger than 98% of state schools at 2,336 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Among 245 similarly sized, similarly resourced-need California schools statewide, it ranks #182, in the lower tier once campus size and economic need are matched.
Its student body is led by White (62%) and Hispanic or Latino (25%) (diversity index 55/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor access is stretched at roughly 467 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 27.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Carlsbad's high schools, it stands alongside Sage Creek High (1,289 students): Carlsbad High is larger than that campus by headcount and runs heavier classes (24.1:1 vs 22.6:1).
Carlsbad Unified also operates Sage Creek High (1,289 students) and Aviara Oaks Middle (991 students) alongside Carlsbad 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
Carlsbad 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 | 24.1:1 | ▲ 12% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 21.9% | ▼ 61% | 55.5% | 51.7% |
| Enrollment | 2,336 | top 2% | - | - |
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 61.7% of enrollment.
Simpson diversity index - at 54.7, Carlsbad High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Carlsbad Unified, which includes Carlsbad 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 |
|---|---|---|---|
| Sage Creek High | Smaller | Similar economic need | Lower S:T ratio |
| Aviara Oaks Middle | Smaller | Similar economic need | Lower S:T ratio |
| Valley Middle | Smaller | Similar economic need | Lower S:T ratio |
| Hope Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Calavera Hills Middle | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Carlsbad 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 Carlsbad 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.
Carlsbad High has 2,336 students enrolled. It is a high school in Carlsbad, CA.
The student-teacher ratio at Carlsbad High is 24.1:1, which is 12% higher than the California average of 21.5:1 and 54% higher than the national average of 15.7:1.
21.9% of students at Carlsbad High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Carlsbad High is White at 61.7% of enrollment, in Carlsbad, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.7/100.
Carlsbad High has a Resource Investment Index of 41/100 (typical 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, Carlsbad High ranks #3 of 3 high schools in Carlsbad, 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 Carlsbad on the city page.
Carlsbad High earns 41/100 on the Resource Investment Index, with class sizes larger than 72% 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 Carlsbad High, Carlsbad Unified also operates Sage Creek High (1,289 students), Aviara Oaks Middle (991 students), and Valley Middle (807 students). See the Carlsbad 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, “Carlsbad High, Carlsbad 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/carlsbad-high-ca
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