For the 2026 school year, there are 5 public elementary schools serving 854 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 45% statewide average).
Minority enrollment is 72% of the student body (majority Hispanic), which is less than the California public elementary school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
11 Schools
7,693 Schools
# Students
1,747 Students
3,823,192 Students
# Teachers
93 Teachers
174,001 Teachers
Student-Teacher Ratio
19:1
19:1
Student By Grade
District Rank
River Delta Joint Unified School District, which is ranked #1239 of all 1,907 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.
Overall District Rank
#1196 out of 1932 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20%
34%
Reading/Language Arts Test Scores (% Proficient)
40%
47%
Science Test Scores (% Proficient)
25%
29%
Graduation Rate
(21-22)≥95%
87%
Students by Ethnicity:
Diversity Score
0.57
0.64
% American Indian
1%
1%
% Asian
2%
12%
% Hispanic
59%
55%
% Black
2%
5%
% White
29%
21%
% Hawaiian
1%
n/a
% Two or more races
6%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $17,155 in this school district is less than the state median of $19,975. The school district revenue/student has grown by 19% over four school years.
The school district's spending/student of $14,912 is less than the state median of $18,396. The school district spending/student has grown by 10% over four school years.
Total Revenue
$30 MM
$116,387 MM
Spending
$26 MM
$107,188 MM
Revenue / Student
$17,155
$19,975
Spending / Student
$14,912
$18,396
Best River Delta Joint Unified School District Public Elementary Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Isleton Elementary School
(Math: 40-44% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
412 Union St.
Isleton, CA 95641
(916) 777-6515
Isleton, CA 95641
(916) 777-6515
Gr: K-6 | 181 students Student-teacher ratio: 23:1 Minority enrollment: 72%
Rank: #22.
D. H. White Elementary School
(Math: 25-29% | Reading: 40-44%)
Rank:
Rank:
6/
Top 50%10
500 Elm Way
Rio Vista, CA 94571
(707) 374-5335
Rio Vista, CA 94571
(707) 374-5335
Gr: K-6 | 427 students Student-teacher ratio: 21:1 Minority enrollment: 63%
Rank: #33.
River Delta High/elementary (Alternative)
Alternative School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
5/
Bottom 50%10
525 So. Second St.
Courtland, CA 95615
(707) 374-1324
Courtland, CA 95615
(707) 374-1324
Gr: K-12 | 26 students Student-teacher ratio: 13:1 Minority enrollment: 58%
Rank: #44.
Bates Elementary School
(Math: 11-19% | Reading: 40-49%)
Rank:
Rank:
4/
Bottom 50%10
180 Primasing Ave.
Courtland, CA 95615
(916) 775-1771
Courtland, CA 95615
(916) 775-1771
Gr: K-6 | 79 students Student-teacher ratio: 20:1 Minority enrollment: 99%
Rank: #55.
Walnut Grove Elementary School
(Math: 15-19% | Reading: 35-39%)
Rank:
Rank:
4/
Bottom 50%10
14181 Grove St.
Walnut Grove, CA 95690
(916) 776-1844
Walnut Grove, CA 95690
(916) 776-1844
Gr: K-6 | 141 students Student-teacher ratio: 20:1 Minority enrollment: 88%
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