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 2026-27 school year, there are 6 public high schools serving 2,994 students in Petaluma Joint Union High School District. This district's average high testing ranking is 8/10, which is in the top 30% of public high schools in California.
Public High Schools in Petaluma Joint Union High School District have an average math proficiency score of 35% (versus the California public high school average of 28%), and reading proficiency score of 57% (versus the 51% statewide average).
Public High School in Petaluma Joint Union High School District have a Graduation Rate of 89%, which is more than the California average of 86%.
The school with highest graduation rate is Petaluma High School, with 94% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 51% 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
2,790 Schools
# Students
4,900 Students
2,122,151 Students
# Teachers
239 Teachers
101,015 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 1,903 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%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
37%
34%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
58%
47%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
37%
29%
Graduation Rate
90%
86.2%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(2022-23)21.3%
27.7%
Students by Ethnicity:
Diversity Score
0.59
0.63
Showing 2014–2023. Full 36-year historical data available below ↓
% American Indian
1%
1%
Showing 2007–2020. Full 33-year historical data available below ↓
% Asian
3%
12%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hispanic
37%
56%
Showing 2014–2023. Full 36-year historical data available below ↓
% Black
1%
5%
Showing 2014–2023. Full 36-year historical data available below ↓
% White
52%
21%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hawaiian
n/a
n/a
% Two or more races
6%
5%
Showing 2014–2023. Full 15-year historical data available below ↓
All Ethnic Groups
Best Petaluma Joint Union High School District Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #1 - 21. - 2.
Carpe Diem High (Continuation School)
Alternative School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
199 Fair St.
Petaluma, CA 94952
(707) 778-4796
Petaluma, CA 94952
(707) 778-4796
Gr: 9-12 | 19 students Student-teacher ratio: 10:1 Minority enrollment: 25%
Rank: #1 - 21. - 2.
Sonoma Mountain High (Necessary Small School)
Alternative School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
299 Casa Grande Rd.
Petaluma, CA 94954
(707) 778-4738
Petaluma, CA 94954
(707) 778-4738
Gr: 9-12 | 21 students Student-teacher ratio: 11:1 Minority enrollment: 24%
Rank: #33.
Casa Grande High School
(Math: 35% | Reading: 64%)
Rank:
Rank:
8/
Top 30%10
333 Casa Grande Rd.
Petaluma, CA 94954
(707) 778-4677
Petaluma, CA 94954
(707) 778-4677
Gr: 9-12 | 1,653 students Student-teacher ratio: 21:1 Minority enrollment: 58%
Rank: #44.
Petaluma High School
(Math: 37% | Reading: 52%)
Rank:
Rank:
7/
Top 50%10
201 Fair St.
Petaluma, CA 94952
(707) 778-4651
Petaluma, CA 94952
(707) 778-4651
Gr: 9-12 | 1,193 students Student-teacher ratio: 21:1 Minority enrollment: 40%
Rank: #55.
Valley Oaks High (Alternative)
Alternative School
(Math: 21-39% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
540 Vallejo St.
Petaluma, CA 94952
(707) 778-4794
Petaluma, CA 94952
(707) 778-4794
Gr: 7-12 | 43 students Student-teacher ratio: 9:1 Minority enrollment: 34%
Rank: #66.
San Antonio High (Continuation School)
Alternative School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
500 Vallejo St.
Petaluma, CA 94952
(707) 778-4758
Petaluma, CA 94952
(707) 778-4758
Gr: 9-12 | 65 students Student-teacher ratio: 8:1 Minority enrollment: 73%
Recent Articles
How Much Choice Do High School Students Have?
Learn how graduation requirements, prerequisites, electives, staffing, scheduling conflicts, AP courses, dual enrollment, and career pathways determine how much control high school students have over schedules each year.
Does Your Child Need More Recess?
Explore whether your child may benefit more from recess than another academic period, including research on attention, learning, physical activity, stress, social development, and school-day balance today.
Combined Grade Classrooms, What Parents Should Know
Learn how combined-grade classrooms work, why public schools use them, potential benefits and challenges, and the questions parents should ask before enrolling their child in one today.
