For the 2026 school year, there are 4 public middle schools serving 9,166 students in San Dimas, CA.
The top-ranked public middle schools in San Dimas, 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.
San Dimas, CA public middle schools 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 San Dimas have an average ranking of 8/10, which is in the top 30% of California public middle schools.
Minority enrollment is 63% 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 San Dimas, CA (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 | 1,316 student Student-teacher ratio: 26:1 Minority enrollment: 79%
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 | 906 students Student-teacher ratio: 24:1 Minority enrollment: 83%
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 | 6,931 students Student-teacher ratio: 29:1 Minority enrollment: 58%
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 | 13 students Student-teacher ratio: 7:1 Minority enrollment: 85%
Frequently Asked Questions
What are the top-ranked public middle schools in San Dimas, CA?
The top-ranked public middle schools in San Dimas, CA include Ramona Middle School, Lone Hill Middle School and Blue Ridge Academy.
How many public middle schools are located in San Dimas?
4 public middle schools are located in San Dimas.
What is the racial composition of students in San Dimas?
San Dimas public middle schools minority enrollment is 63% 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 San Dimas are often viewed compared to one another?
Popular comparisons of public middle schools in San Dimas include: Lone Hill Middle School vs. Ramona Middle School, Ramona Middle School vs. Lone Hill Middle School
Recent Articles
Public School Rankings: Are They Accurate in 2026?
Are public school rankings accurate? Learn how rankings are calculated in 2026, what they miss, and how families can evaluate schools wisely.
How Are U.S. Public Schools Doing in 2026?
A 2026 update on how U.S. public schools are performing academically, financially, and socially in a post-pandemic era.
Helping Your Child Navigate Friendship Drama at School
Meta Description: Practical 2026 strategies for helping your child navigate friendship drama at school with confidence, empathy, and resilience.