- Enrollment
- 2,557
- Students per teacher
- 23.2:1
- Resource Index
- 44/100
High school (grades 9-12) · San Diego, CA
San Ysidro High
Federal NCES profile for San Ysidro High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063864010642
👥 S:T ratio 20
🌟 Gifted program 30
🎓 Counselors 72
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Ysidro High earns 30/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #21 of 41
- high schools in San Diego · Resource Index
- 30
- Resource Index · Lower
- 20:1
- students per teacher
- 67.3%
- free-lunch eligible
San Ysidro High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, San Ysidro High ranks #21 of 41 high schools in San Diego, CA.
School address
District: Sweetwater Union High · California
NCES ID 063864010642 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-299 students YoY
San Ysidro High shrank from 2,316 students in 2022-23 to 2,017 in 2023-24 (-12.9%).
Teacher FTE lost 97.6 → 92.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-299 students YoY 063864010642 · San Diego, CA High · MID · TRAD
1,941 enr · 20:1 · 67.3% lunch · RII 30
Nearest enrollment peer: Eastlake High (2,557 students)
San Ysidro High shrank from 2,316 students in 2022-23 to 2,017 in 2023-24 (-12.9%). Teacher FTE lost 97.6 → 92.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
San Ysidro High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Eastlake High
Eastlake High
2,557 students
- Otay Ranch Sen
Otay Ranch Senior High
2,440 students
- Sweetwater Hig
Sweetwater High
2,290 students
- Olympian High
Olympian High
2,289 students
- Bonita Vista S
Bonita Vista Senior High
1,960 students
- This school
San Ysidro High
1,941 students
What this shows San Ysidro High reports 1,941 students on the CCD universe file.
How San Ysidro High compares
San Ysidro High is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20:1 | ▼ 7% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 67.3% | ▲ 21% | 55.5% | 51.7% |
| Enrollment | 1,941 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20:1
Leaner classes than 16% of US schools, heavier class loads than most.
1,941
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
67.3%
free-lunch eligible
- 21% 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
20:1
students per teacher
- 7% below state mean
Top 35% in California - lower ratio than 65% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
46.4%
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
$15,327
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors13.8 FTE
Per 141 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 43 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 2.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Student demographics
Hispanic or Latino 89.5%
White 3.3%
Asian 2.9%
African American 2.2%
Two or More 1.8%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 89.5% of enrollment.
Student-body diversity index 19.6/100
Simpson diversity index - at 19.6, San Ysidro High is less mixed than the California school average of 46.0.
Programs
AP courses offered 24
District finance for Sweetwater Union High reports $15,327 per pupil (NCES F-33) - open the district page for the full revenue mix.
How San Ysidro High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eastlake High | Larger | Lower economic need | Higher S:T ratio |
| Otay Ranch Senior High | Larger | Lower economic need | Higher S:T ratio |
| Sweetwater High | Similar size | Higher economic need | Similar S:T ratio |
| Olympian High | Similar size | Lower economic need | Higher S:T ratio |
| Bonita Vista Senior High | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to San Ysidro High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,440
- Students per teacher
- 24.2:1
- Resource Index
- 37/100
- Enrollment
- 2,290
- Students per teacher
- 21.2:1
- Resource Index
- 29/100
- Enrollment
- 2,289
- Students per teacher
- 24.1:1
- Resource Index
- 38/100
- Enrollment
- 1,960
- Students per teacher
- 21.5:1
- Resource Index
- 36/100
Similar high schools in San Diego
6 comparable high schools (grades 9-12) serving the same city.
Del Norte High
Standard public school
2,557 students 26.9:1 students per teacher
Torrey Pines High
Standard public school
2,536 students 24.9:1 students per teacher
Henry High
Standard public school
2,485 students 25.9:1 students per teacher
Rancho Bernardo High
Standard public school
2,210 students 24.8:1 students per teacher
Mira Mesa High
Standard public school
2,187 students 24.9:1 students per teacher
Canyon Crest Academy
Standard public school
2,147 students 25.3:1 students per teacher
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,941 students)
Frequently asked questions about San Ysidro High
How many students attend San Ysidro High?
San Ysidro High has 1,941 students enrolled. It is a high school in San Diego, CA. CCD year-over-year: 2,316 (2022-23) → 2,017 (2023-24), down 299.
What is the student-teacher ratio at San Ysidro High?
The student-teacher ratio at San Ysidro High is 20:1, which is 7% lower than the California average of 21.5:1 and 27% higher 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 San Ysidro High?
67.3% of students at San Ysidro High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of San Ysidro High?
The largest demographic group at San Ysidro High is Hispanic or Latino at 89.5% of enrollment, in San Diego, CA.
What is the Resource Investment Index for San Ysidro High?
San Ysidro High has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does San Ysidro High rank among high schools in San Diego?
By Resource Investment Index, San Ysidro High ranks #21 of 41 high schools in San Diego, 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 Diego on the city page.
What other schools are in Sweetwater Union High?
Besides San Ysidro High, Sweetwater Union High also operates Eastlake High (2,557 students), Otay Ranch Senior High (2,440 students), and Sweetwater High (2,290 students). See the Sweetwater Union High district page for the complete list.