Top Rankings
Petaluma Joint Union High School District ranks among the top 20% of public school district in California for:
Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 3 public charter schools serving 640 students in Petaluma Joint Union High School District. This district's average charter testing ranking is 10/10, which is in the top 10% of public charter schools in California.
Public Charter Schools in Petaluma Joint Union High School District have an average math proficiency score of 60% (versus the California public charter school average of 32%), and reading proficiency score of 68% (versus the 48% statewide average).
Minority enrollment is 34% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
11 Schools
1,290 Schools
# Students
4,900 Students
726,781 Students
# Teachers
239 Teachers
32,221 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Petaluma Joint Union High School District, which is ranked #450 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 90% has increased from 89% over five school years.
Overall District Rank
#456 out of 1932 school districts
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
37%
34%
Reading/Language Arts Test Scores (% Proficient)
58%
47%
Science Test Scores (% Proficient)
37%
29%
Graduation Rate
90%
87%
Students by Ethnicity:
Diversity Score
0.59
0.65
% American Indian
1%
1%
% Asian
3%
7%
% Hispanic
37%
53%
% Black
1%
7%
% White
52%
25%
% Hawaiian
n/a
n/a
% Two or more races
6%
7%
All Ethnic Groups
Best Petaluma Joint Union High School District Public Charter Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Petaluma Accelerated Charter
Charter School
(Math: ≥95% | Reading: 90-94%)
Rank:
Rank:
10/
Top 1%10
110 Ellis St.
Petaluma, CA 94952
(707) 778-4750
Petaluma, CA 94952
(707) 778-4750
Gr: 7-8 | 115 students Student-teacher ratio: 23:1 Minority enrollment: 47%
Rank: #22.
Mary Collins Charter School At Cherry Valley
Charter School
(Math: 44% | Reading: 57%)
Rank:
Rank:
8/
Top 30%10
1001 Cherry St.
Petaluma, CA 94952
(707) 778-4740
Petaluma, CA 94952
(707) 778-4740
Gr: K-8 | 494 students Student-teacher ratio: 26:1 Minority enrollment: 27%
Rank: n/an/a
Dual Language Immersion Academy Charter
Charter School
421 South Mcdowell Blvd.
Petaluma, CA 94954
(707) 778-4621
Petaluma, CA 94954
(707) 778-4621
Gr: 7-8 | 31 students Student-teacher ratio: 31:1 Minority enrollment: 93%
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