Top Rankings
River Delta Joint Unified School District ranks among the top 20% of public school district in California for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 10%)
For the 2025 school year, there are 11 public schools serving 1,747 students in River Delta Joint Unified School District. This district's average testing ranking is 5/10, which is in the bottom 50% of public schools in California.
Public Schools in River Delta Joint Unified School District have an average math proficiency score of 22% (versus the California public school average of 33%), and reading proficiency score of 41% (versus the 47% statewide average).
Minority enrollment is 71% of the student body (majority Hispanic), which is less than the California public school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
11 Schools
10,369 Schools
# Students
1,747 Students
5,826,838 Students
# Teachers
93 Teachers
268,018 Teachers
Student : Teacher Ratio
19:1
19:1
Student By Grade
District Rank
River Delta Joint Unified School District, which is ranked #1132 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 95% has increased from 90-94% over five school years.
Overall District Rank
#1205 out of 1941 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
21%
33%
Reading/Language Arts Test Scores (% Proficient)
40%
47%
Science Test Scores (% Proficient)
25%
29%
Graduation Rate
≥95%
87%
Students by Ethnicity:
Diversity Score
0.57
0.63
% American Indian
1%
1%
% Asian
2%
12%
% Hispanic
59%
56%
% Black
2%
5%
% White
29%
20%
% 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 Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
River Delta High/elementary (Alternative)
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
525 So. Second St.
Courtland, CA 95615
(707) 374-1324
Courtland, CA 95615
(707) 374-1324
Grades: K-12
| 26 students
Rank: #22.
Mokelumne High (Continuation School)
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
160 Courtland High School Ln.
Courtland, CA 95615
(916) 775-1771
Courtland, CA 95615
(916) 775-1771
Grades: 9-12
| 8 students
Rank: #33.
Isleton Elementary School
(Math: 35-39% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
412 Union St.
Isleton, CA 95641
(916) 777-6515
Isleton, CA 95641
(916) 777-6515
Grades: K-6
| 181 students
Rank: #4 - 54. - 5.
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
Grades: K-6
| 427 students
Rank: #4 - 54. - 5.
Riverview Middle School
(Math: 25-29% | Reading: 40-44%)
Rank:
Rank:
6/
Top 50%10
525 South Second St.
Rio Vista, CA 94571
(707) 374-2345
Rio Vista, CA 94571
(707) 374-2345
Grades: 7-8
| 163 students
Rank: #66.
Bates Elementary School
(Math: 20-29% | Reading: 40-49%)
Rank:
Rank:
5/
Bottom 50%10
180 Primasing Ave.
Courtland, CA 95615
(916) 775-1771
Courtland, CA 95615
(916) 775-1771
Grades: K-6
| 79 students
Rank: #77.
Walnut Grove Elementary School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
14181 Grove St.
Walnut Grove, CA 95690
(916) 776-1844
Walnut Grove, CA 95690
(916) 776-1844
Grades: K-6
| 141 students
Rank: #88.
Delta High School
(Math: 10-14% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
52810 Netherlands Ave.
Clarksburg, CA 95612
(916) 744-1714
Clarksburg, CA 95612
(916) 744-1714
Grades: 10-12
| 183 students
Rank: #99.
Rio Vista High School
(Math: 6-9% | Reading: 45-49%)
Rank:
Rank:
4/
Bottom 50%10
410 South Fourth St.
Rio Vista, CA 94571
(707) 374-6336
Rio Vista, CA 94571
(707) 374-6336
Grades: 9-12
| 350 students
Rank: #1010.
Clarksburg Middle School
(Math: 10-14% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
52870 Netherlands Rd.
Clarksburg, CA 95612
(916) 744-1717
Clarksburg, CA 95612
(916) 744-1717
Grades: 7-9
| 187 students
Rank: n/an/a
River Delta Community Day
Alternative School
160 Courtland High School Ln.
Courtland, CA 95615
(916) 775-1771
Courtland, CA 95615
(916) 775-1771
Grades: 7-12
| 2 students
Frequently Asked Questions
How many schools belong to River Delta Joint Unified School District?
River Delta Joint Unified School District manages 11 public schools serving 1,747 students.
What is the rank of River Delta Joint Unified School District?
River Delta Joint Unified School District is ranked #1132 out of 1,925 school districts in California (bottom 50%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of California school districts for: Highest graduation rate (Top 10%)
What is the racial composition of students in River Delta Joint Unified School District?
59% of River Delta Joint Unified School District students are Hispanic, 29% of students are White, 6% of students are Two or more races, 2% of students are Asian, 2% of students are Black, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student/teacher ratio of River Delta Joint Unified School District?
River Delta Joint Unified School District has a student/teacher ratio of 19:1, which is lower than the California state average of 22:1.
What is River Delta Joint Unified School District's spending/student ratio?
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.
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