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 2025-26 school year, there are 2 public charter schools serving 598 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 30% 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
10 Schools
1,297 Schools
# Students
4,902 Students
710,090 Students
# Teachers
234 Teachers
31,349 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 1,908 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
0.60
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 (2025-26)
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 | 116 students Student-teacher ratio: 29:1 Minority enrollment: 45%
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 | 482 students Student-teacher ratio: 24:1 Minority enrollment: 26%
Recent Articles
Charter Schools vs Public Schools 2025: Key Differences & Trends
Explore updated 2025 insights comparing charter schools vs public schools, enrollment, academic outcomes, funding, and real-world examples for families and educators.
Are Public Schools Ready for the 21st Century? 2025 Update
Explore 2025 insights on whether public schools are ready for the 21st century, covering performance, technology, equity, funding, and future-ready learning.
Public School Open House & Enrollment Season Guide
A parent-focused guide to the public school open house and enrollment season, with expert questions, timelines, and decision tips.
