River Delta Joint Unified School District

445 Montezuma St.
Rio Vista, CA 94571-1651
(District boundaries shown in map)
: 
4/
10
Bottom 50%
For the 2026-27 school year, there are 5 public elementary schools serving 851 students in River Delta Joint Unified School District. This district's average elementary testing ranking is 5/10, which is in the bottom 50% of public elementary schools in California.
Public Elementary Schools in River Delta Joint Unified School District have an average math proficiency score of 27% (versus the California public elementary school average of 36%), and reading proficiency score of 43% (versus the 46% statewide average).
Minority enrollment is 73% of the student body (majority Hispanic), which is less than the California public elementary school average of 80% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
11 Schools
7,664 Schools
# Students
1,705 Students
3,815,621 Students
# Teachers
94 Teachers
173,890 Teachers
Student-Teacher Ratio
18:1
18:1

Student By Grade

District Rank

River Delta Joint Unified School District, which is ranked #1244 of all 1,903 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has increased from 90-94% over five school years.
This School District
State Average (CA)
#1196 out of 1932 school districts
(Bottom 50%)

Showing 2012–2023. Full 14-year historical data available below ↓

20%
34%

Showing 2012–2023. Full 14-year historical data available below ↓

40%
47%

Showing 2011–2022. Full 13-year historical data available below ↓

25%
29%
(21-22)
≥95%
87%

Showing 2013–2022. Full 12-year historical data available below ↓

(2022-23)
34.7%
27.7%

Students by Ethnicity:

0.57
0.64

Showing 2014–2023. Full 36-year historical data available below ↓

% American Indian
1%
n/a

Showing 2005–2023. Full 32-year historical data available below ↓

% Asian
1%
12%

Showing 2014–2023. Full 36-year historical data available below ↓

% Hispanic
60%
56%

Showing 2014–2023. Full 36-year historical data available below ↓

% Black
3%
5%

Showing 2014–2023. Full 36-year historical data available below ↓

% White
27%
20%

Showing 2014–2023. Full 36-year historical data available below ↓

% Hawaiian
1%
n/a
% Two or more races
7%
7%

Showing 2014–2023. Full 15-year historical data available below ↓

All Ethnic Groups

District Revenue and Spending

The revenue/student of $24,393 in this school district is less than the state median of $26,022. The school district revenue/student has grown by 29% over four school years.
The school district's spending/student of $19,898 is less than the state median of $22,604. The school district spending/student has grown by 37% over four school years.
This School District
This State (CA)
Total Revenue
$42 MM
$150,628 MM

Showing 2014–2023. Full 34-year historical data available below ↓

Spending
$34 MM
$130,845 MM

Showing 2014–2023. Full 34-year historical data available below ↓

Revenue / Student
$24,393
$26,022

Showing 2014–2023. Full 34-year historical data available below ↓

Spending / Student
$19,898
$22,604

Showing 2014–2023. Full 34-year historical data available below ↓

Best River Delta Joint Unified School District Public Elementary Schools (2026-27)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Isleton Elementary School
(Math: 40-44% | Reading: 45-49%)
Rank:
7/
10
Top 50%
412 Union St.
Isleton, CA 95641
(916) 777-6515
Gr: K-6 | 188 students Student-teacher ratio: 24:1 Minority enrollment: 70%
Rank: #22.
D. H. White Elementary School
(Math: 25-29% | Reading: 40-44%)
Rank:
6/
10
Top 50%
500 Elm Way
Rio Vista, CA 94571
(707) 374-5335
Gr: K-6 | 432 students Student-teacher ratio: 22:1 Minority enrollment: 65%
Rank: #33.
River Delta High/elementary (Alternative)
Alternative School
(Math: ≤20% | Reading: <50%)
Rank:
5/
10
Bottom 50%
525 So. Second St.
Courtland, CA 95615
(707) 374-1324
Gr: K-12 | 18 students Student-teacher ratio: 9:1 Minority enrollment: 17%
Rank: #44.
Bates Elementary School
(Math: 11-19% | Reading: 40-49%)
Rank:
4/
10
Bottom 50%
180 Primasing Ave.
Courtland, CA 95615
(916) 775-1771
Gr: K-6 | 82 students Student-teacher ratio: 21:1 Minority enrollment: 99%
Rank: #55.
Walnut Grove Elementary School
(Math: 15-19% | Reading: 35-39%)
Rank:
4/
10
Bottom 50%
14181 Grove St.
Walnut Grove, CA 95690
(916) 776-1844
Gr: K-6 | 131 students Student-teacher ratio: 16:1 Minority enrollment: 90%

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Quick Facts (26-27)

  • District size: 11 schools
  • Grades: K-12
  • Enrollment: 1,705 students
  • Student-Teacher Ratio: 18:1
  • Minority Enrollment: 72%
  • : ≥95% (Btm 50% in CA)
  • : Bottom 50%
  • : 20% (Btm 50%)
  • : 40% (Btm 50%)
  • : 25% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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