For the 2025 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
7,700 Schools
# Students
1,747 Students
3,822,920 Students
# Teachers
93 Teachers
174,006 Teachers
Student-Teacher Ratio
19:1
19:1
Student By Grade
District Rank
River Delta Joint Unified School District, which is ranked #1241 of all 1,910 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 $19,974. The school district revenue/student has grown by 7% 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 7% over four school years.
Total Revenue
$30 MM
$116,387 MM
Spending
$26 MM
$107,188 MM
Revenue / Student
$17,155
$19,974
Spending / Student
$14,912
$18,396
Best River Delta Joint Unified School District Public Elementary Schools (2025)
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%
Recent Articles

What Are Public Schools Doing to Fight Obesity and Is It Working?
Childhood obesity rates continue to climb. While many public schools have implemented policies and programs to combat the problem, there is always more to be done. Keep reading to learn what schools are doing to prevent obesity and how you can help.

Massachusetts: Boston Public Schools Offer Free Lunches
Kids in Boston Public Schools will enjoy free lunches this year, thanks to participation in a federal program that cuts out paperwork required to prove eligibility for the free lunch program.

Michigan Schools: Free Meals for All Students in Some Detroit Schools
Learn about a pilot program through the U.S. Department of Agriculture that would offer two free meals and snacks to all Detroit Public School students daily – a controversial decision for some taxpayers.