Enrollment
1,843
California · 2024-25 NCES data
High school (grades 9-12) · Encinitas, CA
Federal NCES profile for San Dieguito Hs Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
The verdict
San Dieguito Hs Academy earns 36/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
San Dieguito Hs Academy has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, San Dieguito Hs Academy ranks #2 of 3 high schools in Encinitas, CA.
NCES ID 063438005577 Verify on NCES CCD record →
Enrollment
1,843
California · 2024-25 NCES data
Teachers (FTE)
82.0
Federal CCD staff survey
Students per teacher
22.5:1
vs 21.5:1 California avg
+5% vs state
Free-lunch eligible
16.1%
vs 55.5% California avg
-71% vs state
How San Dieguito Hs Academy compares with California and U.S. medians
Slightly above state median
22.5:1 - 1.0 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
San Dieguito Hs Academy is a lower-poverty, large high school in Encinitas, California, enrolling 1,843 students.
At 22.5:1, 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, 16.1% free-meal eligibility runs 71% below the California average.
By headcount it is one of the larger campuses in California, bigger than 96% of state schools at 1,843 students.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 237 similarly sized, similarly resourced-need California schools statewide, it ranks #225, in the lower tier once campus size and economic need are matched.
Its student body is led by White (61%) and Hispanic or Latino (25%) (diversity index 55/100).
On the academic-pipeline side it reports 25 Advanced Placement courses.
Counselor access is stretched at roughly 410 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 30.4% 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 Encinitas's high schools, it stands alongside La Costa Canyon High (1,774 students): San Dieguito Hs Academy is larger than that campus by headcount and runs leaner classes (22.5:1 vs 24.3:1).
San Dieguito Union High also operates Torrey Pines High (2,536 students) and Canyon Crest Academy (2,147 students) alongside San Dieguito Hs Academy.
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
San Dieguito Hs Academy on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.5:1 | ▲ 5% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 16.1% | ▼ 71% | 55.5% | 51.7% |
| Enrollment | 1,843 | 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: White at 61.4% of enrollment.
Simpson diversity index - at 55.0, San Dieguito Hs Academy is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Dieguito Union High, which includes San Dieguito Hs Academy.
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 |
|---|---|---|---|
| Torrey Pines High | Larger | Similar economic need | Higher S:T ratio |
| Canyon Crest Academy | Similar size | Similar economic need | Higher S:T ratio |
| La Costa Canyon High | Similar size | Similar economic need | Higher S:T ratio |
| Pacific Trails Middle | Smaller | Similar economic need | Higher S:T ratio |
| Oak Crest Middle | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to San Dieguito Hs Academy'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 San Dieguito Hs Academy'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.
San Dieguito Hs Academy has 1,843 students enrolled. It is a high school in Encinitas, CA.
The student-teacher ratio at San Dieguito Hs Academy is 22.5:1, which is 5% higher than the California average of 21.5:1 and 43% higher than the national average of 15.7:1.
16.1% of students at San Dieguito Hs Academy are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at San Dieguito Hs Academy is White at 61.4% of enrollment, in Encinitas, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.0/100.
San Dieguito Hs Academy has a Resource Investment Index of 36/100 (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, San Dieguito Hs Academy ranks #2 of 3 high schools in Encinitas, 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 Encinitas on the city page.
San Dieguito Hs Academy earns 36/100 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 San Dieguito Hs Academy, San Dieguito Union High also operates Torrey Pines High (2,536 students), Canyon Crest Academy (2,147 students), and La Costa Canyon High (1,774 students). See the San Dieguito 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, “San Dieguito Hs Academy, Encinitas 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/san-dieguito-hs-academy-ca
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