River Delta Joint Unified School District

445 Montezuma St.
Rio Vista, CA 94571-1651
(District boundaries shown in map)
4/
10
Bottom 50%

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 5 public elementary schools serving 854 students in River Delta Joint Unified School District. This district's average elementary testing ranking is 6/10, which is in the top 50% of public elementary schools in California.
Public Elementary Schools in River Delta Joint Unified School District have an average math proficiency score of 28% (versus the California public elementary school average of 35%), 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

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.
This School District
State Average (CA)
#1205 out of 1941 school districts
(Bottom 50%)
This chart displays the overall district rank of River Delta Joint Unified  School District, with the latest 2021-22 school year data.
21%
33%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Math of River Delta Joint Unified  School District and the percentage of public school students that scored at or above 'proficient' levels in Math of California by year, with the latest 2021-22 school year data.
40%
47%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of River Delta Joint Unified  School District and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
25%
29%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Science of River Delta Joint Unified  School District and the percentage of public school students that scored at or above 'proficient' levels in Science of California by year, with the latest 2021-22 school year data.
≥95%
87%
This chart displays public school graduation rate of River Delta Joint Unified  School District and public school graduation rate of California by year, with the latest 2021-22 school year data.

Students by Ethnicity:

0.57
0.64
# American Indian Students
11 Students
16,785 Students
% American Indian Students
1%
1%
# Asian Students
30 Students
454,357 Students
% Asian Students
2%
12%
# Hispanic Students
1,037 Students
2,114,366 Students
% Hispanic Students
59%
55%
# Black Students
44 Students
189,461 Students
% Black Students
2%
5%
# White Students
501 Students
787,389 Students
% White Students
29%
21%
# Hawaiian Students
12 Students
15,077 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
112 Students
240,557 Students
% of Two or more races Students
6%
6%

Students by Grade:

# Students in PK Grade:
-
83
# Students in K Grade:
182
519,574
# Students in 1st Grade:
95
396,601
# Students in 2nd Grade:
125
414,466
# Students in 3rd Grade:
109
416,628
# Students in 4th Grade:
105
426,360
# Students in 5th Grade:
108
430,582
# Students in 6th Grade:
105
432,936
# Students in 7th Grade:
154
312,207
# Students in 8th Grade:
132
312,649
# Students in 9th Grade:
161
44,929
# Students in 10th Grade:
148
37,487
# Students in 11th Grade:
169
37,249
# Students in 12th Grade:
154
41,169
# Ungraded Students:
-
-

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.
This School District
This State (CA)
Total Revenue
$30 MM
$116,387 MM
This chart displays total revenue of River Delta Joint Unified  School District and median value from total revenues of all school districts in California by year, with the latest 2020-21 school year data.
Spending
$26 MM
$107,188 MM
This chart displays total spending of River Delta Joint Unified  School District and median value from total spendings of all school districts in California by year, with the latest 2020-21 school year data.
Revenue / Student
$17,155
$19,974
This chart displays average revenue per public school student in River Delta Joint Unified  School District and average revenue per public school student of all school districts in California by year, with the latest 2020-21 school year data.
Spending / Student
$14,912
$18,396
This chart displays average spending per public school student in River Delta Joint Unified  School District and average spending per public school student of all school districts in California by year, with the latest 2020-21 school year data.

Best River Delta Joint Unified School District Public Elementary Schools (2025)

School
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
River Delta High/elementary (Alternative)
Alternative School
(Math: <50% | Reading: <50%)
Rank:
8/
10
Top 30%
525 So. Second St.
Courtland, CA 95615
(707) 374-1324
Grades: K-12
| 26 students
Rank: #22.
Isleton Elementary School
(Math: 35-39% | Reading: 45-49%)
Rank:
7/
10
Top 50%
412 Union St.
Isleton, CA 95641
(916) 777-6515
Grades: K-6
| 181 students
Rank: #33.
D. H. White Elementary School
(Math: 25-29% | Reading: 40-44%)
Rank:
6/
10
Top 50%
500 Elm Way
Rio Vista, CA 94571
(707) 374-5335
Grades: K-6
| 427 students
Rank: #44.
Bates Elementary School
(Math: 20-29% | Reading: 40-49%)
Rank:
5/
10
Bottom 50%
180 Primasing Ave.
Courtland, CA 95615
(916) 775-1771
Grades: K-6
| 79 students
Rank: #55.
Walnut Grove Elementary School
(Math: 20-24% | Reading: 35-39%)
Rank:
5/
10
Bottom 50%
14181 Grove St.
Walnut Grove, CA 95690
(916) 776-1844
Grades: K-6
| 141 students

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Quick Stats (2025)

  • District size: 11 schools
  • Grades: KG-12
  • Enrollment: 1,747 students
  • Student:Teacher Ratio: 19:1
  • Minority Enrollment: 71%
  • : ≥95% (Top 10% in CA)
  • : Bottom 50%
  • : 21% (Btm 50%)
  • : 40% (Btm 50%)
  • : 25% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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