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 6 public high schools serving 756 students in River Delta Joint Unified School District. This district's average high testing ranking is 3/10, which is in the bottom 50% of public high schools in California.
Public High Schools in River Delta Joint Unified School District have an average math proficiency score of 12% (versus the California public high school average of 28%), and reading proficiency score of 37% (versus the 51% statewide average).
Public High School in River Delta Joint Unified School District have a Graduation Rate of 95%, which is more than the California average of 87%.
The school with highest graduation rate is Delta High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 72% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
11 Schools
2,817 Schools
# Students
1,747 Students
2,139,525 Students
# Teachers
93 Teachers
100,737 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%
11%
% Hispanic
59%
56%
% Black
2%
5%
% White
29%
22%
% Hawaiian
1%
n/a
% Two or more races
6%
5%
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 High 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.
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: #44.
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: #55.
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
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