- Enrollment
- 432
- Students per teacher
- 33.2:1
- Resource Index
- 7/100
High school (grades 9-12) · Rio Vista, CA
Rio Vista High
Federal NCES profile for Rio Vista High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063311005125
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 37
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Vista High earns 37/100 on the Resource Investment Index, with class sizes smaller than 90% of California schools.
- #1 of 4
- public schools in Rio Vista · Resource Index
- 37
- Resource Index · Typical
- 14.4:1
- small classes for California
- 45.8%
- free-lunch eligible
Rio Vista High has class sizes smaller than 90% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rio Vista High ranks #1 of 4 public schools in Rio Vista, CA.
School address
District: River Delta Joint Unified · California
NCES ID 063311005125 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-17 students YoY
Rio Vista High held near 350 students from 2022-23 to 2023-24 (-17 headcount).
Teacher FTE lost 22.2 → 21.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-17 students YoY 063311005125 · Rio Vista, CA High · SMALL · TRAD
317 enr · 14.4:1 · 45.8% lunch · RII 37
Nearest enrollment peer: D. H. White Elementary (432 students)
Rio Vista High held near 350 students from 2022-23 to 2023-24 (-17 headcount). Teacher FTE lost 22.2 → 21.1 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Rio Vista High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- D. H. White El
D. H. White Elementary
432 students
- This school
Rio Vista High
317 students
- Delta High
Delta High
196 students
- Isleton Elemen
Isleton Elementary
188 students
- Clarksburg Mid 171
Clarksburg Middle
171 students
- Riverview Midd 160
Riverview Middle
160 students
What this shows Rio Vista High reports 317 students on the CCD universe file.
How Rio Vista High compares
Rio Vista 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 | 14.4:1 | ▼ 33% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 45.8% | ▼ 17% | 55.5% | 51.7% |
| Enrollment | 317 | top 72% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
317
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
45.8%
free-lunch eligible
- 17% 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
14.4:1
students per teacher
- 33% below state mean
Top 10% in California - lower ratio than 90% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
47.9%
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
$16,926
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 317 students, the combined health-and-guidance staffing load for this school.
Discipline context
26
in-school suspensions + 25 out-of-school
Suspension rate: 8.2 per 100 students. Combined in-school and out-of-school rate: 16.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
Hispanic or Latino 52.1%
White 34.4%
Two or More 8.2%
African American 2.5%
Asian 1.6%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.6%
Largest group: Hispanic or Latino at 52.1% of enrollment.
Student-body diversity index 60.3/100
Simpson diversity index - at 60.3, Rio Vista High is more mixed than the California school average of 46.0.
Programs
AP courses offered 9
Gifted & talented Yes
District finance for River Delta Joint Unified reports $16,926 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rio Vista High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| D. H. White Elementary | Larger | Similar economic need | Higher S:T ratio |
| Delta High | Smaller | Similar economic need | Similar S:T ratio |
| Isleton Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Clarksburg Middle | Smaller | Similar economic need | Higher S:T ratio |
| Riverview Middle | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rio Vista High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 196
- Students per teacher
- 15.1:1
- Resource Index
- 43/100
- Enrollment
- 188
- Students per teacher
- 20.9:1
- Resource Index
- 24/100
- Enrollment
- 171
- Students per teacher
- 21.4:1
- Resource Index
- 15/100
- Enrollment
- 160
- Students per teacher
- 17.8:1
- Resource Index
- 33/100
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 (~317 students)
Frequently asked questions about Rio Vista High
How many students attend Rio Vista High?
Rio Vista High has 317 students enrolled. It is a high school in Rio Vista, CA. CCD year-over-year: 367 (2022-23) → 350 (2023-24), nearly flat (-17).
What is the student-teacher ratio at Rio Vista High?
The student-teacher ratio at Rio Vista High is 14.4:1, which is 33% lower than the California average of 21.5:1 and 8% 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 Rio Vista High?
45.8% of students at Rio Vista High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rio Vista High?
The largest demographic group at Rio Vista High is Hispanic or Latino at 52.1% of enrollment, in Rio Vista, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.3/100.
What is the Resource Investment Index for Rio Vista High?
Rio Vista High has a Resource Investment Index of 37/100 (typical 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 Rio Vista High rank among public schools in Rio Vista?
By Resource Investment Index, Rio Vista High ranks #1 of 4 public schools in Rio Vista, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in River Delta Joint Unified?
Besides Rio Vista High, River Delta Joint Unified also operates D. H. White Elementary (432 students), Delta High (196 students), and Isleton Elementary (188 students). See the River Delta Joint Unified district page for the complete list.