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River Delta Joint Unified Schools
River Delta Joint Unified is a public school district in California, based in Solano County (Rio Vista). SchoolGrade grades 10 of its schools on actual versus projected test scores; every school below has its own page.
River Delta Joint Unified on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for River Delta Joint Unified
9 of 10 schools in River Delta Joint Unified carry a SchoolGrade (1 have no school-level proficiency results in our source data). Grade distribution:
A: 1C: 5D: 2F: 1
Best schools in River Delta Joint Unified
Statewide rankings: all 1561 high schools in California · all 1283 middle schools in California · all 5668 elementary schools in California
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- A- Isleton Elementary (Elementary school, greatly exceeds expectations)
- C+ Bates Elementary (Elementary school, greatly exceeds expectations)
- C Riverview Middle (Middle school, doesn't meet expectations)
- C- Rio Vista High (High school, meets expectations)
- C- Delta High (High school, meets expectations)
- C- River Delta Highelementary Alternative (K-12 school, underperforms expectations)
- D Walnut Grove Elementary (Elementary school, meets expectations)
- D D H White Elementary (Elementary school, doesn't meet expectations)
- F Clarksburg Middle (Middle school, underperforms expectations)
Every school in River Delta Joint Unified
High schools (3)
- C- Delta High, Clarksburg
- Mokelumne High Continuation, Courtland
- C- Rio Vista High, Rio Vista
Middle and junior high schools (2)
- F Clarksburg Middle, Clarksburg
- C Riverview Middle, Rio Vista
Elementary and primary schools (4)
- C+ Bates Elementary, Courtland
- D D H White Elementary, Rio Vista
- A- Isleton Elementary, Isleton
- D Walnut Grove Elementary, Walnut Grove
Other schools and academies (1)
- C- River Delta Highelementary Alternative, Rio Vista
Where River Delta Joint Unified schools are
Cities and towns served (5)
- Rio Vista (4)
- Clarksburg (2)
- Courtland (2)
- Isleton (1)
- Walnut Grove (1)
About this district
- State: Best schools in California
- County: Solano County
- Type: regular local school district
- Setting: fringe town (NCES locale of the district office)
- Enrollment: 1,753 students with 94 full-time-equivalent teachers and 219 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 0633110
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Oakley Union Elementary (9 schools, 13 mi)
- Travis Unified (9 schools, 14 mi)
- Dixon Unified (6 schools, 14 mi)
- Antioch Unified (25 schools, 18 mi)
- Pittsburg Unified (13 schools, 19 mi)
- Fairfield-Suisun Unified (29 schools, 19 mi)
- Davis Joint Unified (16 schools, 19 mi)
- Galt Joint Union Elementary (6 schools, 20 mi)
Questions about River Delta Joint Unified
How many schools are in River Delta Joint Unified?
SchoolGrade grades 10 public schools in River Delta Joint Unified, across 5 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does River Delta Joint Unified serve?
The largest by graded schools: Rio Vista, Clarksburg, Courtland, Isleton, Walnut Grove.
How good are the schools in River Delta Joint Unified?
Across the 9 graded schools, the average SchoolGrade is C-, with 26.9% of tested students meeting the state bar against a projected 26.1%. 56% of schools meet or exceed the expectation for their student context.
How many students attend River Delta Joint Unified?
1,753 students were enrolled in River Delta Joint Unified in the 2023-24 school year, about 18.6 students per full-time teacher (NCES Common Core of Data).
Where is River Delta Joint Unified?
River Delta Joint Unified is in California, based in Solano County, with its district office in Rio Vista. Its boundary covers about 339 sq mi.