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 school year, there are 4 public middle schools serving 351 students in River Delta Joint Unified School District. This district's average middle testing ranking is 3/10, which is in the bottom 50% of public middle schools in California.
Public Middle Schools in River Delta Joint Unified School District have an average math proficiency score of 12% (versus the California public middle school average of 32%), and reading proficiency score of 36% (versus the 46% statewide average).
Minority enrollment is 73% of the student body (majority Hispanic), which is less than the California public middle school average of 78% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
11 Schools
3,469 Schools
# Students
1,705 Students
1,858,621 Students
# Teachers
94 Teachers
88,118 Teachers
Student-Teacher Ratio
18:1
18:1

Student By Grade

District Rank

River Delta Joint Unified School District, which is ranked #1243 of all 1,904 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%)
20%
34%
40%
47%
25%
29%
(21-22)
≥95%
87%

Students by Ethnicity:

0.57
0.64
% American Indian
1%
1%
% Asian
1%
11%
% Hispanic
60%
55%
% Black
3%
5%
% White
27%
22%
% Hawaiian
1%
n/a
% Two or more races
7%
6%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $17,578 in this school district is less than the state median of $20,100. The school district revenue/student has grown by 22% over four school years.
The school district's spending/student of $15,279 is less than the state median of $18,511. The school district spending/student has grown by 13% over four school years.
This School District
This State (CA)
Total Revenue
$30 MM
$116,387 MM
Spending
$26 MM
$107,188 MM
Revenue / Student
$17,578
$20,100
Spending / Student
$15,279
$18,511

Best River Delta Joint Unified School District Public Middle Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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: #22.
Riverview Middle School
(Math: 10-14% | Reading: 40-44%)
Rank:
4/
10
Bottom 50%
525 South Second St.
Rio Vista, CA 94571
(707) 374-2345
Gr: 7-8 | 160 students Student-teacher ratio: 18:1 Minority enrollment: 66%
Rank: #33.
Clarksburg Middle School
(Math: 10-14% | Reading: 25-29%)
Rank:
2/
10
Bottom 50%
52870 Netherlands Rd.
Clarksburg, CA 95612
(916) 744-1717
Gr: 7-9 | 171 students Student-teacher ratio: 17:1 Minority enrollment: 84%
Rank: n/an/a
River Delta Community Day
Alternative School
160 Courtland High School Ln.
Courtland, CA 95615
(916) 775-1771
Gr: 7-12 | 2 students Student-teacher ratio: 2:1

Recent Articles

How Public Schools Train Staff Each Year
How Public Schools Train Staff Each Year
Learn how public schools train staff each year through professional development, safety training, technology instruction, and ongoing educational support.
What Substitute Teachers Experience in Public Schools
What Substitute Teachers Experience in Public Schools
Discover what substitute teachers experience in public schools, including daily responsibilities, challenges, rewards, and their role in student success.
How Teachers Collaborate Across Departments in Public Schools
How Teachers Collaborate Across Departments in Public Schools
Learn how teachers collaborate across departments to improve student outcomes, strengthen instruction, and prepare students for real-world success.

Quick Facts (2026)

  • 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

Quick Links