Enrollment
293
California · 2024-25 NCES data
Other / mixed grade configuration · San Diego, CA
Twain High
Federal NCES profile for Twain High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataOther / mixed grade configurationNCES 063432005562
👥 S:T ratio 61
🌟 Gifted program 30
🎓 Counselors 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Twain High earns 44/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools.
- #7 of 27
- schools in San Diego · Resource Index
- 44
- Resource Index · Typical
- 9.8:1
- small classes for California
- 75.3%
- free-lunch eligible
Twain High has class sizes smaller than 96% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Twain High ranks #7 of 27 schools in San Diego, CA.
School address
District: San Diego Unified · California
NCES ID 063432005562 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
9.8:1
vs 21.5:1 California avg
-54% vs state
Free-lunch eligible
75.3%
vs 55.5% California avg
+36% vs state
Student-teacher ratio in context
How Twain High compares with California and U.S. medians
What stands out at Twain High
Twain High is a high-poverty, mid-sized combined-grade school in San Diego, California, enrolling 293 students.
Classes run notably small here: at 9.8:1, Twain High is leaner than roughly 96% of California schools and 54% 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 75.3% of students eligible for free meals.
Enrollment of 293 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Among 1,160 similarly sized, similarly resourced-need California schools statewide, it ranks #99, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (70%) and White (9%) (diversity index 49/100).
Counselor coverage runs a bit thin, about 293 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among San Diego's public schools, it stands alongside The O'farrell Charter (1,862 students): Twain High is smaller than that campus by headcount and runs leaner classes (9.8:1 vs 20.7:1).
San Diego Unified also operates Henry High (2,485 students) and Mira Mesa High (2,187 students) alongside Twain 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 Twain High compares
Twain 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 | 9.8:1 | ▼ 54% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 75.3% | ▲ 36% | 55.5% | 51.7% |
| Enrollment | 293 | top 75% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.8:1
Leaner classes than 90% of US schools, among the more generously staffed nationally.
293
Bigger than 31% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
75.3%
free-lunch eligible
- 36% 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
9.8:1
students per teacher
- 54% 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.
Funding equity
$18,665
per pupil, district-wide
- above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 293 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 24 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 8.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 69.6%
White 8.9%
African American 8.2%
Two or More 6.5%
Asian 6.1%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 69.6% of enrollment.
Student-body diversity index 49.3/100
Simpson diversity index - at 49.3, Twain High is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for San Diego Unified, which includes Twain High.
$18,665
Per student
+13%
vs California
Avg $16,509
+12%
vs U.S.
Avg $16,593
Revenue mix
Local 60.5%
State 25.1%
Federal 14.4%
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 Twain High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Henry High | Larger | Lower economic need | Higher S:T ratio |
| Mira Mesa High | Larger | Lower economic need | Higher S:T ratio |
| Hoover High | Larger | Similar economic need | Higher S:T ratio |
| Scripps Ranch High | Larger | Lower economic need | Higher S:T ratio |
| Point Loma High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Twain High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,485
- Students per teacher
- 25.9:1
- Resource Index
- 21/100
- Enrollment
- 2,187
- Students per teacher
- 24.9:1
- Resource Index
- 38/100
- Enrollment
- 2,011
- Students per teacher
- 20.5:1
- Resource Index
- 12/100
- Enrollment
- 1,890
- Students per teacher
- 27:1
- Resource Index
- 45/100
- Enrollment
- 1,724
- Students per teacher
- 26.1:1
- Resource Index
- 24/100
Similar other schools in San Diego
6 comparable other schools (grades Mixed) serving the same city.
The O'farrell Charter
Standard public school
1,862 students 20.7:1 students per teacher
Logan Memorial Educational Campus
Standard public school
1,467 students 29.3:1 students per teacher
Charter School of San Diego
Standard public school
1,375 students 29.9:1 students per teacher
San Diego Scpa
Standard public school
1,297 students 24.5:1 students per teacher
Gompers Preparatory Academy
Standard public school
1,175 students 28.7:1 students per teacher
Launch Virtual Academy
Alternative education program
578 students 18.1:1 students per teacher
Similar other 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 (~293 students)
Next steps
Verify locally before acting on Twain High's federal record.
- Compare Twain High against another school. Compare schools
- San Diego 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 Twain High
How many students attend Twain High?
Twain High has 293 students enrolled. It is an alternative school in San Diego, CA.
What is the student-teacher ratio at Twain High?
The student-teacher ratio at Twain High is 9.8:1, which is 54% lower than the California average of 21.5:1 and 38% 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 Twain High?
75.3% of students at Twain High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Twain High?
The largest demographic group at Twain High is Hispanic or Latino at 69.6% of enrollment, in San Diego, CA.
What is the Resource Investment Index for Twain High?
Twain High has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Twain High rank among schools in San Diego?
By Resource Investment Index, Twain High ranks #7 of 27 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 schools in San Diego on the city page.
Is Twain High a good school?
Twain High earns 44/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools. 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 Diego Unified?
Besides Twain High, San Diego Unified also operates Henry High (2,485 students), Mira Mesa High (2,187 students), and Hoover High (2,011 students). See the San Diego 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.