High school (grades 9-12) · Encinitas, CA

San Dieguito Hs Academy

Federal NCES profile for San Dieguito Hs Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 063438005577
0/100100/10036/100
👥 S:T ratio
10
📚 AP courses
100
🌟 Gifted program
30
🎓 Counselors
18
📋 Attendance
24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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.

#2 of 3
high schools in Encinitas · Resource Index
36
Resource Index · Typical
22.5:1
students per teacher
16.1%
free-lunch eligible

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.

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

Student-teacher ratio in context

How San Dieguito Hs Academy compares with California and U.S. medians

Slightly above 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 San Dieguito Hs Academy

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

How San Dieguito Hs Academy compares

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

22.5:1
Leaner classes than 9% of US schools, heavier class loads than most.
1,843
Bigger than 98% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
16.1%
free-lunch eligible - 71% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
22.5:1
students per teacher - 5% above state mean
Top 58% in California - lower ratio than 42% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
30.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,574
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
Counselors4.5 FTE
Per 410 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 31 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.

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

White 61.4%
Hispanic or Latino 25.4%
Two or More 8.5%
Asian 4.0%
African American 0.4%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%

Largest group: White at 61.4% of enrollment.

Student-body diversity index 55.0/100

Simpson diversity index - at 55.0, San Dieguito Hs Academy is more mixed than the California school average of 46.0.

Programs

AP courses offered 25

Funding & spending

District-wide per-pupil expenditure for San Dieguito Union High, which includes San Dieguito Hs Academy.

$13,574
Per student
-18%
vs California
Avg $16,509
-18%
vs U.S.
Avg $16,593
Revenue mix
Local 75.9%
State 19.1%
Federal 5.0%

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 San Dieguito Hs Academy Compares to District-Mates

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.

Other Schools in This District

San Dieguito Union High · 5 sibling schools

View district profile

Similar high schools in Encinitas

2 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 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.

Frequently asked questions about San Dieguito Hs Academy

How many students attend San Dieguito Hs Academy?

San Dieguito Hs Academy has 1,843 students enrolled. It is a high school in Encinitas, CA.

What is the student-teacher ratio at San Dieguito Hs Academy?

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.

What percentage of students receive free lunch at San Dieguito Hs Academy?

16.1% of students at San Dieguito Hs Academy are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of San Dieguito Hs Academy?

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.

What is the Resource Investment Index for San Dieguito Hs Academy?

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).

How does San Dieguito Hs Academy rank among high schools in Encinitas?

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.

Is San Dieguito Hs Academy a good school?

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.

What other schools are in San Dieguito Union High?

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.

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.