For the 2026-27 school year, there are 4 public middle schools serving 1,594 students in 91311, CA.
The top-ranked public middle schools in 91311, CA are Our Community Charter, Aggeler Community Day and Ernest Lawrence Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public middle schools in zipcode 91311 have an average math proficiency score of 33% (versus the California public middle school average of 32%), and reading proficiency score of 53% (versus the 46% statewide average). Middle schools in 91311, CA have an average ranking of 7/10, which is in the top 50% of California public middle schools.
Minority enrollment is 79% of the student body (majority Hispanic), which is more than the California public middle school average of 78% (majority Hispanic).
Best 91311, CA Public Middle Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Our Community Charter
Charter School
(Math: 46% | Reading: 64%)
Rank:
Rank:
8/
Top 30%10
10045 Jumilla Ave.
Chatsworth, CA 91311
(818) 350-5000
Chatsworth, CA 91311
(818) 350-5000
Gr: K-8 | 434 students Student-teacher ratio: 22:1 Minority enrollment: 57%
Rank: #22.
Aggeler Community Day
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
21050 Plummer St.
Chatsworth, CA 91311
(818) 341-1232
Chatsworth, CA 91311
(818) 341-1232
Gr: 7-12 | 23 students Student-teacher ratio: 8:1
Rank: #33.
Ernest Lawrence Middle School
(Math: 31% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
10100 Variel Ave.
Chatsworth, CA 91311
(818) 678-7900
Chatsworth, CA 91311
(818) 678-7900
Gr: 6-8 | 1,076 students Student-teacher ratio: 21:1 Minority enrollment: 87%
Rank: #44.
William Tell Aggeler Opportunity High School
Alternative School
(Math: ≤10% | Reading: <50%)
Rank:
Rank:
4/
Bottom 50%10
21050 Plummer St.
Chatsworth, CA 91311
(818) 341-1232
Chatsworth, CA 91311
(818) 341-1232
Gr: 7-12 | 61 students Student-teacher ratio: 10:1 Minority enrollment: 97%
91311, California Public Schools (Closed)
School
Location
Quick Facts
20920 Knapp St.
Chatsworth, CA 91311
(818) 709-4282
Chatsworth, CA 91311
(818) 709-4282
Gr: 9-12 | 165 students Student-teacher ratio: 13:1 Minority enrollment: 70%
Frequently Asked Questions
What are the top-ranked public middle schools in 91311, CA?
The top-ranked public middle schools in 91311, CA include Our Community Charter, Aggeler Community Day and Ernest Lawrence Middle School.
How many public middle schools are located in 91311?
4 public middle schools are located in 91311.
What is the racial composition of students in 91311?
91311 public middle schools minority enrollment is 79% of the student body (majority Hispanic), which is more than the California public middle schools average of 78% (majority Hispanic).
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