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 11 public schools serving 4,900 students in Petaluma Joint Union High School District. This district's average testing ranking is 8/10, which is in the top 30% of public schools in California.
Public Schools in Petaluma Joint Union High School District have an average math proficiency score of 40% (versus the California public school average of 35%), and reading proficiency score of 58% (versus the 47% statewide average).
Minority enrollment is 48% of the student body (majority Hispanic), which is less than the California public school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
11 Schools
10,323 Schools
# Students
4,900 Students
5,788,587 Students
# Teachers
239 Teachers
267,491 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%
20%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hawaiian
n/a
n/a
% Two or more races
6%
6%
Showing 2014–2023. Full 15-year historical data available below ↓
All Ethnic Groups
Best Petaluma Joint Union High School District Public Schools (2026-27)
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: #3 - 43. - 4.
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: #3 - 43. - 4.
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: #55.
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: #66.
Kenilworth Junior High School
(Math: 39% | Reading: 56%)
Rank:
Rank:
7/
Top 50%10
800 Riesling Rd.
Petaluma, CA 94954
(707) 778-4710
Petaluma, CA 94954
(707) 778-4710
Gr: 7-8 | 812 students Student-teacher ratio: 21:1 Minority enrollment: 51%
Rank: #77.
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: #88.
Petaluma Junior High School
(Math: 32% | Reading: 56%)
Rank:
Rank:
7/
Top 50%10
700 Bantam Way
Petaluma, CA 94952
(707) 778-4724
Petaluma, CA 94952
(707) 778-4724
Gr: 7-8 | 454 students Student-teacher ratio: 19:1 Minority enrollment: 44%
Rank: #99.
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: #1010.
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%
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%
Frequently Asked Questions
How many schools belong to Petaluma Joint Union High School District?
Petaluma Joint Union High School District manages 11 public schools serving 4,900 students.
What is the rank of Petaluma Joint Union High School District?
Petaluma Joint Union High School District is ranked #450 out of 1,903 school districts in California (top 30%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of California school districts for: Largest student body (number of students) (Top 1%)
What is the racial composition of students in Petaluma Joint Union High School District?
52% of Petaluma Joint Union High School District students are White, 37% of students are Hispanic, 6% of students are Two or more races, 3% of students are Asian, 1% of students are American Indian, and 1% of students are Black.
What is the student/teacher ratio of Petaluma Joint Union High School District?
Petaluma Joint Union High School District has a student/teacher ratio of 21:1, which is lower than the California state average of 22:1.
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.
