- Enrollment
- 518
- Students per teacher
- 19.9:1
- Resource Index
- 13/100
High school (grades 9-12) · Tranquillity, CA
Tranquillity High
Federal NCES profile for Tranquillity 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 069113410214
👥 S:T ratio 38
🌟 Gifted program 30
🎓 Counselors 51
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tranquillity High earns 30/100 on the Resource Investment Index, even as it posts class sizes smaller than 88% of California schools. It is also less racially and ethnically mixed than most California schools.
- 30
- Resource Index · Lower
- 15.4:1
- small classes for California
- 87.0%
- free-lunch eligible
- 370
- students enrolled
Tranquillity High has class sizes smaller than 88% of California schools. Computed live against every California school reporting to NCES.
School address
District: Golden Plains Unified · California
NCES ID 069113410214 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-16 students YoY
Tranquillity High held near 384 students from 2022-23 to 2023-24 (-16 headcount).
Teacher FTE added 24.7 → 26.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-16 students YoY 069113410214 · Tranquillity, CA High · SMALL · TRAD
370 enr · 15.4:1 · 87.0% lunch · RII 30
Nearest enrollment peer: San Joaquin Elementary (518 students)
Tranquillity High held near 384 students from 2022-23 to 2023-24 (-16 headcount). Teacher FTE added 24.7 → 26.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Tranquillity High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- San Joaquin El
San Joaquin Elementary
518 students
- This school
Tranquillity High
370 students
- Tranquillity E
Tranquillity Elementary
209 students
- Cantua Element 184
Cantua Elementary
184 students
- Helm Elementar 60
Helm Elementary
60 students
- Rio Del Rey Hi 10
Rio Del Rey High (Continuation)
10 students
What this shows Tranquillity High reports 370 students on the CCD universe file.
How Tranquillity High compares
Tranquillity High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.4:1 | ▼ 28% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 87.0% | ▲ 57% | 55.5% | 51.7% |
| Enrollment | 370 | top 65% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.4:1
Leaner classes than 43% of US schools, a middle-of-the-pack class size.
370
Bigger than 43% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
87.0%
free-lunch eligible
- 57% above the California average of 55.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
15.4:1
students per teacher
- 28% below state mean
Top 12% in California - lower ratio than 88% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
77.6%
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
$20,627
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.5 FTE
Per 247 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 52 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 14.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 15 expulsions.
Student demographics
Hispanic or Latino 98.1%
White 1.1%
African American 0.5%
Asian 0.3%
Largest group: Hispanic or Latino at 98.1% of enrollment.
Student-body diversity index 3.7/100
Simpson diversity index - at 3.7, Tranquillity High is less mixed than the California school average of 46.0.
Programs
AP courses offered 4
District finance for Golden Plains Unified reports $20,627 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Tranquillity High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| San Joaquin Elementary | Larger | Similar economic need | Higher S:T ratio |
| Tranquillity Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Cantua Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Helm Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Rio Del Rey High (Continuation) | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Tranquillity High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 209
- Students per teacher
- 20.9:1
- Resource Index
- 12/100
- Enrollment
- 184
- Students per teacher
- 20.4:1
- Resource Index
- 12/100
- Enrollment
- 60
- Students per teacher
- 12:1
- Resource Index
- 31/100
- Enrollment
- 10
- Students per teacher
- 10:1
- Resource Index
- 57/100
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 (~370 students)
Frequently asked questions about Tranquillity High
How many students attend Tranquillity High?
Tranquillity High has 370 students enrolled. It is a high school in Tranquillity, CA. CCD year-over-year: 400 (2022-23) → 384 (2023-24), nearly flat (-16).
What is the student-teacher ratio at Tranquillity High?
The student-teacher ratio at Tranquillity High is 15.4:1, which is 28% lower than the California average of 21.5:1 and 2% 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 Tranquillity High?
87.0% of students at Tranquillity High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Tranquillity High?
The largest demographic group at Tranquillity High is Hispanic or Latino at 98.1% of enrollment, in Tranquillity, CA.
What is the Resource Investment Index for Tranquillity High?
Tranquillity 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).
What other schools are in Golden Plains Unified?
Besides Tranquillity High, Golden Plains Unified also operates San Joaquin Elementary (518 students), Tranquillity Elementary (209 students), and Cantua Elementary (184 students). See the Golden Plains Unified district page for the complete list.