For the 2026 school year, there are 8 public high schools serving 3,123 students in Petaluma, CA.
The top-ranked public high schools in Petaluma, CA are Carpe Diem High (Continuation School), Sonoma Mountain High (Necessary Small School) and Casa Grande High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Petaluma, CA public high schools have an average math proficiency score of 34% (versus the California public high school average of 28%), and reading proficiency score of 55% (versus the 51% statewide average). High schools in Petaluma have an average ranking of 7/10, which is in the top 50% of California public high schools.
Petaluma, CA public high school have a Graduation Rate of 88%, 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).
Best Public High Schools in Petaluma, CA (2026)
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.
South County Consortium
Special Education School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
200 Douglas St.
Petaluma, CA 94952
(707) 778-4641
Petaluma, CA 94952
(707) 778-4641
Gr: K-12 | 129 students Student-teacher ratio: 10:1 Minority enrollment: 44%
Rank: #77.
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
Liberty Independent Study
Charter School
170 Liberty School Rd.
Petaluma, CA 94952
(707) 795-4380
Petaluma, CA 94952
(707) 795-4380
Gr: K-12
Frequently Asked Questions
What are the top-ranked public high schools in Petaluma, CA?
The top-ranked public high schools in Petaluma, CA include Carpe Diem High (Continuation School), Sonoma Mountain High (Necessary Small School) and Casa Grande High School.
How many public high schools are located in Petaluma?
8 public high schools are located in Petaluma.
What is the racial composition of students in Petaluma?
Petaluma public high schools minority enrollment is 51% of the student body (majority Hispanic), which is less than the California public high schools average of 79% (majority Hispanic).
Which public high schools in Petaluma are often viewed compared to one another?
Popular comparisons of public high schools in Petaluma include: Petaluma High School vs. Casa Grande High School, Casa Grande High School vs. Petaluma High School, Valley Oaks High (Alternative) vs. Petaluma High School
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