For the 2026 school year, there are 4 public middle schools serving 9,909 students in 91773, CA.
The top-ranked public middle schools in 91773, CA are Ramona Middle School, Lone Hill Middle School and Blue Ridge Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public middle schools in zipcode 91773 have an average math proficiency score of 39% (versus the California public middle school average of 32%), and reading proficiency score of 55% (versus the 46% statewide average). Middle schools in 91773, CA have an average ranking of 8/10, which is in the top 30% 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 91773, CA Public Middle Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Ramona Middle School
(Math: 56% | Reading: 69%)
Rank:
Rank:
9/
Top 20%10
3490 Ramona Ave.
San Dimas, CA 91773
(909) 971-8260
San Dimas, CA 91773
(909) 971-8260
Gr: 6-8 | 1,371 students Student-teacher ratio: 27:1 Minority enrollment: 78%
Rank: #22.
Lone Hill Middle School
(Math: 47% | Reading: 60%)
Rank:
Rank:
8/
Top 30%10
700 South Lone Hill
San Dimas, CA 91773
(909) 971-8270
San Dimas, CA 91773
(909) 971-8270
Gr: 6-8 | 870 students Student-teacher ratio: 24:1 Minority enrollment: 82%
Rank: #33.
Blue Ridge Academy
Charter School
(Math: 31% | Reading: 48%)
Rank:
Rank:
6/
Top 50%10
955 Stanislaus St.
San Dimas, CA 91773
(661) 412-9363
San Dimas, CA 91773
(661) 412-9363
Gr: K-12 | 7,657 students Student-teacher ratio: 28:1 Minority enrollment: 62%
Rank: n/an/a
Vista (Alternative)
Alternative School
127 West Allen Ave.
San Dimas, CA 91773
(909) 971-8242
San Dimas, CA 91773
(909) 971-8242
Gr: K-12 | 11 students Student-teacher ratio: 6:1
Frequently Asked Questions
What are the top-ranked public middle schools in 91773, CA?
The top-ranked public middle schools in 91773, CA include Ramona Middle School, Lone Hill Middle School and Blue Ridge Academy.
How many public middle schools are located in 91773?
4 public middle schools are located in 91773.
What is the racial composition of students in 91773?
91773 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).
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