Enrollment
7
California · 2024-25 NCES data
High school (grades 9-12) · Mad River, CA
Southern Trinity High
Federal NCES profile for Southern Trinity High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063763006377
👥 S:T ratio 91
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 93
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Southern Trinity High earns 56/100 on the Resource Investment Index, with class sizes smaller than 99% of California schools. It is also one of the smallest schools in California.
- #1 of 3
- public schools in Mad River · Resource Index
- 56
- Resource Index · Higher
- 2.3:1
- small classes for California
- 41.7%
- free-lunch eligible
Southern Trinity High has class sizes smaller than 99% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Southern Trinity High ranks #1 of 3 public schools in Mad River, CA.
School address
District: Southern Trinity Joint Unified · California
NCES ID 063763006377 Verify on NCES CCD record →
Teachers (FTE)
3.0
Federal CCD staff survey
Students per teacher
2.3:1
vs 21.5:1 California avg
-89% vs state
Free-lunch eligible
41.7%
vs 55.5% California avg
-25% vs state
Student-teacher ratio in context
How Southern Trinity High compares with California and U.S. medians
What stands out at Southern Trinity High
Southern Trinity High is a small high school in Mad River, California, enrolling 7 students.
Classes run notably small here: at 2.3:1, Southern Trinity High is leaner than roughly 99% of California schools and 89% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 41.7% of students eligible for free meals.
This is a small campus: fewer students than 99% of California schools, with 7 enrolled.
Its Resource Investment Index outscores 99% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Its student body is led by White (57%) and Hispanic or Latino (14%) (diversity index 61/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 35 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding Southern Trinity Joint Unified spends $27,876 per pupil, 69% above the California average, a better-resourced district than most.
Its district draws 15.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Mad River's high schools, it stands alongside Mt. Lassic High (Continuation) (2 students): Southern Trinity High is larger than that campus by headcount.
Southern Trinity Joint Unified also operates Van Duzen Elementary (54 students) and Hoaglin-Zenia Elementary (10 students) alongside Southern Trinity 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 Southern Trinity High compares
Southern Trinity 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 | 2.3:1 | ▼ 89% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 41.7% | ▼ 25% | 55.5% | 51.7% |
| Enrollment | 7 | top 99% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
2.3:1
Leaner classes than 100% of US schools, among the more generously staffed nationally.
7
Bigger than 1% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
41.7%
free-lunch eligible
- 25% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
2.3:1
students per teacher
- 89% below state mean
Top 1% in California - lower ratio than 100% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$27,876
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.2 FTE
Student-support staffing from the Civil Rights Data Collection.
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
White 57.1%
Hispanic or Latino 14.3%
American Indian / Alaska Native 14.3%
Two or More 14.3%
Largest group: White at 57.1% of enrollment.
Student-body diversity index 61.3/100
Simpson diversity index - at 61.3, Southern Trinity High is more mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Southern Trinity Joint Unified, which includes Southern Trinity High.
$27,876
Per student
+69%
vs California
Avg $16,509
+68%
vs U.S.
Avg $16,593
Revenue mix
Local 32.3%
State 52.7%
Federal 15.0%
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 Southern Trinity High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Van Duzen Elementary | Larger | Higher economic need | Higher S:T ratio |
| Hoaglin-Zenia Elementary | Larger | No free-lunch data | No ratio data |
| Mt. Lassic High (Continuation) | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Southern Trinity High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 54
- Students per teacher
- 13.5:1
- Resource Index
- 31/100
- Enrollment
- 10
- Students per teacher
- -
- Resource Index
- 28/100
- Enrollment
- 2
- Students per teacher
- -
- Resource Index
- 64/100
Similar high schools in Mad River
1 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 (~7 students)
Similar student-teacher ratio (~2.3:1)
Next steps
Verify locally before acting on Southern Trinity High's federal record.
- Compare Southern Trinity High against another school. Compare schools
- Southern Trinity Joint 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 Southern Trinity High
How many students attend Southern Trinity High?
Southern Trinity High has 7 students enrolled. It is a high school in Mad River, CA.
What is the student-teacher ratio at Southern Trinity High?
The student-teacher ratio at Southern Trinity High is 2.3:1, which is 89% lower than the California average of 21.5:1 and 85% 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 Southern Trinity High?
41.7% of students at Southern Trinity High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Southern Trinity High?
The largest demographic group at Southern Trinity High is White at 57.1% of enrollment, in Mad River, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.3/100.
What is the Resource Investment Index for Southern Trinity High?
Southern Trinity High has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Southern Trinity High rank among public schools in Mad River?
By Resource Investment Index, Southern Trinity High ranks #1 of 3 public schools in Mad River, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mad River on the city page.
Is Southern Trinity High a good school?
Southern Trinity High earns 56/100 on the Resource Investment Index, with class sizes smaller than 99% 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 Southern Trinity Joint Unified?
Besides Southern Trinity High, Southern Trinity Joint Unified also operates Van Duzen Elementary (54 students), Hoaglin-Zenia Elementary (10 students), and Mt. Lassic High (Continuation) (2 students). See the Southern Trinity Joint 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.