River Delta Joint Unified School District
School District · Rio Vista, California
Avg Rating
7.2
out of 10
Schools
11
4 elem, 2 mid, 4 high
Enrollment
1,753
Student-Teacher Ratio
18.6:1
Avg Rating
7.2
out of 10
Schools
11
4 elem, 2 mid, 4 high
Enrollment
1,753
Student-Teacher Ratio
18.6:1
How this district compares
California rank
#100 of 713
districts by avg. composite
Vs. state average
+0.9
above California avg
Per-pupil spending
$16,964
$683 vs California median
District size
1,753 students
Smaller than California median
The short answer
River Delta Joint Unified ranks #100 of 713 California districts by overall school rating. River Delta Joint Unified's schools with real test data average 7.2/10 across 8 schools. Its top-rated schools are Bates Elementary (9.0/10), Isleton Elementary (8.3/10), and Rio Vista High (7.8/10). Schools with estimated (proxy) scores are excluded from this ranking.
Rates 7.8/10 despite 73% of students being economically disadvantaged. That's about 1.2 points higher than its student-poverty level predicts. Roughly as clean a case of strong results without an affluent-ZIP price tag as you'll find among River Delta Joint Unified schools.
STAAR proficiency rose +9.2 points from 2022 to 2024. That's the biggest jump among River Delta Joint Unified schools across the two most recent comparable testing years.
Top-Rated Schools in River Delta Joint Unified
Ranked by MySchoolScout composite rating using only schools with real test data (8 of 11). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.
| # | School | Rating |
|---|---|---|
| 1 | Bates Elementary | 9.0 / 10 |
| 2 | Isleton Elementary | 8.3 / 10 |
| 3 | Rio Vista High | 7.8 / 10 |
| 4 | Walnut Grove Elementary | 7.8 / 10 |
| 5 | D. H. White Elementary | 6.8 / 10 |
| 6 | Riverview Middle | 6.7 / 10 |
| 7 | Delta High | 5.8 / 10 |
| 8 | Clarksburg Middle | 5.6 / 10 |
See all 11 schools — including those with estimated data — in the full directory below. How we rate schools.
About River Delta Joint Unified
River Delta Joint Unified is a Rio Vista, California school district serving 11 schools.The district educates 1,753 students with a student-teacher ratio of 18.6:1. District-level spending was $16,964 per student in fiscal year 2023 (NCES F-33).
With an average rating of 7.2/10, River Delta Joint Unified is among the strongest-performing districts in the state.
The highest-rated school in the district is Bates Elementary, which has a composite score of 9.0/10.
In standardized testing, River Delta Joint Unified students show an average math proficiency of 33.3% and ELA proficiency of 40.8%.
The district includes 4 elementary schools, 2 middle schools, and 4 high schools.
District Map
Schools in River Delta Joint Unified, colored by MySchoolScout rank. Click a pin for details.
District Average Test Scores
Average proficiency across all schools in River Delta Joint Unified with test data.
Schools in River Delta Joint Unified
11 schoolsElementary Schools4
Middle Schools2
Other Schools1
District Details
- State
- California
- City
- Rio Vista
- Total Enrollment
- 1,753
- Teachers (FTE)
- 94
- District spending per student
- $16,964NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- Child poverty rate
- 9.0%Census SAIPE · 2024
- District directory year
- 2023
Frequently Asked Questions
How many schools are in River Delta Joint Unified?
River Delta Joint Unified has 11 schools in total — 4 elementary, 2 middle, and 4 high schools. You can explore each school's ratings and details on this page.
What is the average rating for River Delta Joint Unified?
The average composite rating for River Delta Joint Unified is 7.2/10. This score is calculated from the individual ratings of all schools with academic data in the district.
What is the district spending per student in River Delta Joint Unified?
River Delta Joint Unified's district-level spending was $16,964 per student in fiscal year 2023, according to NCES F-33. This is district context, not an individual-school expense.
What is the student-teacher ratio in River Delta Joint Unified?
The average student-teacher ratio in River Delta Joint Unified is 18.6:1.
What is the top-rated school in River Delta Joint Unified?
Bates Elementary is the highest-rated school in River Delta Joint Unified with a composite score of 9.0/10.
What are the test scores in River Delta Joint Unified?
Across schools in River Delta Joint Unified with test data, the average math proficiency is 33.3% and the average ELA (reading/writing) proficiency is 40.8%. These figures represent the percentage of students meeting or exceeding grade-level standards.
How does River Delta Joint Unified compare to other districts in California?
River Delta Joint Unified has an average school rating of 7.2/10 across 11 schools. Families can compare this to other districts in California by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.
How does MySchoolScout rate schools?
MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.
District Averages
- Overall Rating
- 7.2/10
- Math Proficiency
- 33.3%
- ELA Proficiency
- 40.8%
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateOther School Districts in CA
Compare River Delta Joint Unified with neighboring districts in the state.
- Los Angeles Unified (785)
- San Diego Unified (175)
- San Francisco Unified (113)
- Fresno Unified (101)
- Long Beach Unified (82)
- Oakland Unified (82)
- San Bernardino City Unified (76)
- Sacramento City Unified (73)
- San Juan Unified (68)
- Elk Grove Unified (67)
- Garden Grove Unified (66)
- Capistrano Unified (59)
- Stockton Unified (54)
- West Contra Costa Unified (54)
- Corona-Norco Unified (53)
- Mt. Diablo Unified (52)
- Santa Ana Unified (52)
- Clovis Unified (50)
- Lodi Unified (49)
- Riverside Unified (49)
- Bakersfield City (45)
- Irvine Unified (45)
- Fontana Unified (44)
- Fremont Unified (44)
Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.
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