For the 2026 school year, there are 3 public middle schools serving 907 students in Sonoma, CA.
The top-ranked public middle schools in Sonoma, CA are Sonoma Charter, Adele Harrison Middle School and Altimira Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sonoma, CA public middle schools have an average math proficiency score of 19% (versus the California public middle school average of 32%), and reading proficiency score of 37% (versus the 46% statewide average). Middle schools in Sonoma have an average ranking of 4/10, which is in the bottom 50% of California public middle schools.
Minority enrollment is 66% of the student body (majority Hispanic), which is less than the California public middle school average of 78% (majority Hispanic).
Best Public Middle Schools in Sonoma, CA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sonoma Charter
Charter School
(Math: 35-39% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
17202 Sonoma Hwy.
Sonoma, CA 95476
(707) 935-4232
Sonoma, CA 95476
(707) 935-4232
Gr: K-8 | 226 students Student-teacher ratio: 25:1 Minority enrollment: 53%
Rank: #22.
Adele Harrison Middle School
(Math: 23% | Reading: 45%)
Rank:
Rank:
5/
Bottom 50%10
1150 Broadway
Sonoma, CA 95476
(707) 935-6080
Sonoma, CA 95476
(707) 935-6080
Gr: 6-8 | 330 students Student-teacher ratio: 17:1 Minority enrollment: 58%
Rank: #33.
Altimira Middle School
(Math: 10% | Reading: 26%)
Rank:
Rank:
2/
Bottom 50%10
17805 Arnold Dr.
Sonoma, CA 95476
(707) 935-6020
Sonoma, CA 95476
(707) 935-6020
Gr: 6-8 | 351 students Student-teacher ratio: 16:1 Minority enrollment: 82%
Sonoma, California Public Schools (Closed)
School
Location
Quick Facts
Gateway High School (Closed 2004)
Alternative School
17878 Railrd. Ave
Sonoma, CA 95476
(707) 935-4264
Sonoma, CA 95476
(707) 935-4264
Gr: 7-12
Gateway Middel School (Closed 2023)
Alternative School
17866 Railroad Ave.
Sonoma, CA 95476
(707) 935-6003
Sonoma, CA 95476
(707) 935-6003
Gr: 6-10 | 16 students Student-teacher ratio: 16:1 Minority enrollment: 56%
Gateway Middle School (Closed 2009)
Alternative School
17866 Railroad Ave.
Sonoma, CA 95476
(707) 935-4264
Sonoma, CA 95476
(707) 935-4264
Gr: 6-10 | 11 students Student-teacher ratio: 4:1 Minority enrollment: 73%
Frequently Asked Questions
What are the top-ranked public middle schools in Sonoma, CA?
The top-ranked public middle schools in Sonoma, CA include Sonoma Charter, Adele Harrison Middle School and Altimira Middle School.
How many public middle schools are located in Sonoma?
3 public middle schools are located in Sonoma.
What is the racial composition of students in Sonoma?
Sonoma public middle schools minority enrollment is 66% of the student body (majority Hispanic), which is less than the California public middle schools average of 78% (majority Hispanic).
Which public middle schools in Sonoma are often viewed compared to one another?
Popular comparisons of public middle schools in Sonoma include: Altimira Middle School vs. Adele Harrison Middle School, Adele Harrison Middle School vs. Altimira Middle School
Recent Articles
Year-Round Schooling in 2026: Updated Parent Guide
Explore the latest 2026 data, trends, costs, and parent planning tips in the ongoing debate over year-round schooling vs the traditional calendar.
No Child Left Behind: Past, Present, and Future of U.S. School Policy
Explore how No Child Left Behind evolved into ESSA, what it means for 2025‑26 schooling, and what parents need to know about testing, admissions planning, and funding.
Understanding Public School Fees & Optional Costs Guide
Discover what public school fees are required versus optional, with 2026 updates for parents, students, and educators on budgeting and planning.
