6.0 avg / 10

Petaluma Joint Union High School District

School District · Petaluma, California

Last updated: May 2026

Students: 4,931

Teachers (FTE): 234

Avg Rating

6.0

out of 10

Schools

1 elem, 3 mid, 6 high

Enrollment

4,931

Student-Teacher Ratio

21.1:1

Avg Rating

6.0

out of 10

Schools

1 elem, 3 mid, 6 high

Enrollment

4,931

Student-Teacher Ratio

21.1:1

How this district compares

California rank

#429 of 713

districts by avg. composite

Vs. state average

-0.3

below California avg

District size

4,931 students

Larger than California median

About Petaluma Joint Union High

Petaluma Joint Union High is a Petaluma, California school district serving 10 schools. The district educates 4,931 students with a student-teacher ratio of 21.1:1.

With an average rating of 6.0/10, Petaluma Joint Union High demonstrates solid academic performance.

The highest-rated school in the district is Mary Collins Charter School at Cherry Valley, which has a composite score of 7.3/10.

In standardized testing, Petaluma Joint Union High students show an average math proficiency of 40.1% and ELA proficiency of 57.1%.

The district includes 1 elementary school , 3 middle schools , and 6 high schools.

District Map

Schools in Petaluma Joint Union High, colored by MySchoolScout rank. Click a pin for details.

District Average Test Scores

Math Proficiency 40.1%

School

State

N/A

ELA Proficiency 57.1%

School

State

N/A

Average proficiency across all schools in Petaluma Joint Union High with test data.

Schools in Petaluma Joint Union High

10 schools

Elementary Schools 1

Mary Collins Charter School at Cherry Valley

482 7.3

Middle Schools 3

Kenilworth Junior High

824 5.9

Petaluma Accelerated Charter

116 5.9

Petaluma Junior High

428 5.4

High Schools 6

San Antonio High (continuation)

81 6.5

Valley Oaks High (alternative)

Carpe Diem High (continuation)

24 —

Sonoma Mountain High (continuation)

24 —

District Details

State: California
City: Petaluma
Total Enrollment: 4,931
Teachers (FTE): 234
Child Poverty Rate: 0.1%
Data Year: 2023

Frequently Asked Questions

How many schools are in Petaluma Joint Union High?

Petaluma Joint Union High has 10 schools in total — 1 elementary, 3 middle, and 6 high schools. You can explore each school's ratings and details on this page.

What is the average rating for Petaluma Joint Union High?

The average composite rating for Petaluma Joint Union High is 6.0/10. This score is calculated from the individual ratings of all schools with academic data in the district.

What is the per-pupil spending in Petaluma Joint Union High?

Per-pupil spending data for Petaluma Joint Union High is not currently available.

What is the student-teacher ratio in Petaluma Joint Union High?

The average student-teacher ratio in Petaluma Joint Union High is 21.1:1.

What is the top-rated school in Petaluma Joint Union High?

Mary Collins Charter School at Cherry Valley is the highest-rated school in Petaluma Joint Union High with a composite score of 7.3/10.

What are the test scores in Petaluma Joint Union High?

Across schools in Petaluma Joint Union High with test data, the average math proficiency is 40.1% and the average ELA (reading/writing) proficiency is 57.1%. These figures represent the percentage of students meeting or exceeding grade-level standards.

How does Petaluma Joint Union High compare to other districts in California?

Petaluma Joint Union High has an average school rating of 6.0/10 across 10 schools. Families can compare this to other districts in California by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.

How does MySchoolScout rate schools?

MySchoolScout ratings are based on a comprehensive methodology that weighs Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Learn more about our rating system on our methodology page.

District Averages

Overall Rating: 6.0/10
Math Proficiency: 40.1%
ELA Proficiency: 57.1%

Resources

🔍 Search for District Website 📄 Official NCES Data 🏫 GreatSchools Profile 📍 View on Google Maps

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

Other School Districts in CA

Compare Petaluma Joint Union High with neighboring districts in the state.

See all districts in CA →

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.