Enrollment
36
California · 2024-25 NCES data
High school (grades 9-12) · San Gabriel, CA
Del Mar High
Federal NCES profile for Del Mar High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063442507166
👥 S:T ratio 64
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 93
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Del Mar High earns 39/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools. It is also one of the smallest schools in California.
- #1 of 3
- high schools in San Gabriel · Resource Index
- 39
- Resource Index · Typical
- 9:1
- small classes for California
- 70.7%
- free-lunch eligible
Del Mar High has class sizes smaller than 96% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Del Mar High ranks #1 of 3 high schools in San Gabriel, CA.
School address
District: San Gabriel Unified · California
NCES ID 063442507166 Verify on NCES CCD record →
Teachers (FTE)
4.0
Federal CCD staff survey
Students per teacher
9:1
vs 21.5:1 California avg
-58% vs state
Free-lunch eligible
70.7%
vs 55.5% California avg
+27% vs state
Student-teacher ratio in context
How Del Mar High compares with California and U.S. medians
What stands out at Del Mar High
Del Mar High is a higher-need, small high school in San Gabriel, California, enrolling 36 students.
Classes run notably small here: at 9:1, Del Mar High is leaner than roughly 96% of California schools and 58% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 70.7% of students eligible for free meals.
This is a small campus: fewer students than 95% of California schools, with 36 enrolled.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 142 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #53.
Its student body is led by Hispanic or Latino (67%) and Asian (28%) (diversity index 48/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 36 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 97.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among San Gabriel's high schools, it stands alongside San Gabriel High (1,761 students): Del Mar High is smaller than that campus by headcount and runs leaner classes (9:1 vs 22.3:1).
San Gabriel Unified also operates Gabrielino High (1,438 students) and Jefferson Middle (1,013 students) alongside Del Mar 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
How Del Mar High compares
Del Mar 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 | 9:1 | ▼ 58% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 70.7% | ▲ 27% | 55.5% | 51.7% |
| Enrollment | 36 | top 95% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
36
Bigger than 4% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
70.7%
free-lunch eligible
- 27% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
9:1
students per teacher
- 58% below state mean
Top 4% in California - lower ratio than 96% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
97.2%
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
$16,355
per pupil, district-wide
- below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 36 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
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
Hispanic or Latino 66.7%
Asian 27.8%
African American 2.8%
Two or More 2.8%
Largest group: Hispanic or Latino at 66.7% of enrollment.
Student-body diversity index 47.6/100
Simpson diversity index - at 47.6, Del Mar High is about as mixed as the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for San Gabriel Unified, which includes Del Mar High.
$16,355
Per student
-1%
vs California
Avg $16,509
-1%
vs U.S.
Avg $16,593
Revenue mix
Local 32.6%
State 54.1%
Federal 13.3%
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 Del Mar High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Gabrielino High | Larger | Lower economic need | Higher S:T ratio |
| Jefferson Middle | Larger | Lower economic need | Higher S:T ratio |
| Mckinley Elementary | Larger | Lower economic need | Higher S:T ratio |
| Washington Elementary | Larger | Lower economic need | Higher S:T ratio |
| Wilson Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Del Mar High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,438
- Students per teacher
- 22.1:1
- Resource Index
- 45/100
- Enrollment
- 1,013
- Students per teacher
- 20.7:1
- Resource Index
- 48/100
- Enrollment
- 618
- Students per teacher
- 24.7:1
- Resource Index
- 33/100
- Enrollment
- 401
- Students per teacher
- 22.3:1
- Resource Index
- 31/100
- Enrollment
- 379
- Students per teacher
- 23.7:1
- Resource Index
- 34/100
Similar high schools in San Gabriel
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.
Similar enrollment (~36 students)
Similar student-teacher ratio (~9:1)
Next steps
Verify locally before acting on Del Mar High's federal record.
- Compare Del Mar High against another school. Compare schools
- San Gabriel Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Del Mar High
How many students attend Del Mar High?
Del Mar High has 36 students enrolled. It is a high school in San Gabriel, CA.
What is the student-teacher ratio at Del Mar High?
The student-teacher ratio at Del Mar High is 9:1, which is 58% lower than the California average of 21.5:1 and 43% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Del Mar High?
70.7% of students at Del Mar High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Del Mar High?
The largest demographic group at Del Mar High is Hispanic or Latino at 66.7% of enrollment, in San Gabriel, CA.
What is the Resource Investment Index for Del Mar High?
Del Mar High has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Del Mar High rank among high schools in San Gabriel?
By Resource Investment Index, Del Mar High ranks #1 of 3 high schools in San Gabriel, 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 San Gabriel on the city page.
Is Del Mar High a good school?
Del Mar High earns 39/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools. It is also one of the smallest 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 Gabriel Unified?
Besides Del Mar High, San Gabriel Unified also operates Gabrielino High (1,438 students), Jefferson Middle (1,013 students), and Mckinley Elementary (618 students). See the San Gabriel Unified district page for the complete list.
Related tools
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.