For the 2026 school year, there are 16 public schools serving 17,562 students in San Dimas, CA (there are 8 private schools, serving 974 private students). 95% of all K-12 students in San Dimas, CA are educated in public schools (compared to the CA state average of 90%).
The top-ranked public schools in San Dimas, CA are Arma J. Shull Elementary School, Oak Mesa Elementary School and Bonita High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
San Dimas, CA public schools have an average math proficiency score of 47% (versus the California public school average of 34%), and reading proficiency score of 60% (versus the 47% statewide average). Schools in San Dimas have an average ranking of 9/10, which is in the top 20% of California public schools.
Minority enrollment is 72% of the student body (majority Hispanic), which is less than the California public school average of 80% (majority Hispanic).
Best Public Schools in San Dimas, CA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Arma J. Shull Elementary School
(Math: 83% | Reading: 81%)
Rank:
Rank:
10/
Top 5%10
825 North Amelia
San Dimas, CA 91773
(909) 971-8208
San Dimas, CA 91773
(909) 971-8208
Gr: K-5 | 633 students Student-teacher ratio: 28:1 Minority enrollment: 81%
Rank: #22.
Oak Mesa Elementary School
(Math: 74% | Reading: 76%)
Rank:
Rank:
10/
Top 10%10
5200 Wheeler Ave.
San Dimas, CA 91773
(909) 971-8209
San Dimas, CA 91773
(909) 971-8209
Gr: K-5 | 582 students Student-teacher ratio: 25:1 Minority enrollment: 68%
Rank: #33.
Bonita High School
(Math: 59% | Reading: 88%)
Rank:
Rank:
10/
Top 10%10
3102 D St.
San Dimas, CA 91773
(909) 971-8220
San Dimas, CA 91773
(909) 971-8220
Gr: 9-12 | 1,911 students Student-teacher ratio: 26:1 Minority enrollment: 78%
Rank: #44.
Grace Miller Elementary School
(Math: 60-64% | Reading: 70%)
Rank:
Rank:
9/
Top 20%10
1629 Holly Oak St.
San Dimas, CA 91773
(909) 971-8206
San Dimas, CA 91773
(909) 971-8206
Gr: K-5 | 448 students Student-teacher ratio: 22:1 Minority enrollment: 81%
Rank: #55.
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: #66.
J. Marion Roynon Elementary School
(Math: 61% | Reading: 62%)
Rank:
Rank:
9/
Top 20%10
2715 E St.
San Dimas, CA 91773
(909) 971-8207
San Dimas, CA 91773
(909) 971-8207
Gr: K-5 | 842 students Student-teacher ratio: 25:1 Minority enrollment: 84%
Rank: #77.
La Verne Heights Elementary School
(Math: 65% | Reading: 60%)
Rank:
Rank:
9/
Top 20%10
1550 Baseline Rd.
San Dimas, CA 91773
(909) 971-8205
San Dimas, CA 91773
(909) 971-8205
Gr: K-5 | 477 students Student-teacher ratio: 25:1 Minority enrollment: 79%
Rank: #88.
San Dimas High School
(Math: 47% | Reading: 75%)
Rank:
Rank:
9/
Top 20%10
800 West Covina Blvd.
San Dimas, CA 91773
(909) 971-8230
San Dimas, CA 91773
(909) 971-8230
Gr: 9-12 | 1,235 students Student-teacher ratio: 21:1 Minority enrollment: 82%
Rank: #99.
Allen Avenue Elementary School
(Math: 62% | Reading: 55%)
Rank:
Rank:
9/
Top 20%10
740 East Allen Ave.
San Dimas, CA 91773
(909) 971-8202
San Dimas, CA 91773
(909) 971-8202
Gr: K-5 | 467 students Student-teacher ratio: 22:1 Minority enrollment: 80%
Rank: #1010.
Fred Ekstrand Elementary School
(Math: 57% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
400 North Walnut Ave.
San Dimas, CA 91773
(909) 971-8203
San Dimas, CA 91773
(909) 971-8203
Gr: K-5 | 475 students Student-teacher ratio: 22:1 Minority enrollment: 88%
Rank: #1111.
Gladstone Elementary School
(Math: 57% | Reading: 55%)
Rank:
Rank:
8/
Top 30%10
1314 West Gladstone
San Dimas, CA 91773
(909) 971-8204
San Dimas, CA 91773
(909) 971-8204
Gr: K-5 | 518 students Student-teacher ratio: 23:1 Minority enrollment: 82%
Rank: #1212.
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: #1313.
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: #1414.
Chaparral High (Continuation School)
Alternative School
(Math: ≤10% | Reading: 30-39%)
Rank:
Rank:
2/
Bottom 50%10
121 West Allen Ave.
San Dimas, CA 91773
(909) 971-8240
San Dimas, CA 91773
(909) 971-8240
Gr: 9-12 | 54 students Student-teacher ratio: 5:1 Minority enrollment: 91%
Rank: n/an/a
Adult Transition Program
Special Education School
800 West Covina Blvd.
San Dimas, CA 91773
(909) 971-8230
San Dimas, CA 91773
(909) 971-8230
Gr: 12 | 11 students Student-teacher ratio: 11:1 Minority enrollment: 82%
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 schools in San Dimas, CA?
The top-ranked public schools in San Dimas, CA include Arma J. Shull Elementary School, Oak Mesa Elementary School and Bonita High School.
How many public schools are located in San Dimas?
16 public schools are located in San Dimas.
What percentage of students in San Dimas go to public school?
95% of all K-12 students in San Dimas are educated in public schools (compared to the CA state average of 90%).
What is the racial composition of students in San Dimas?
San Dimas public schools minority enrollment is 72% of the student body (majority Hispanic), which is less than the California public schools average of 80% (majority Hispanic).
Which public schools in San Dimas are often viewed compared to one another?
Popular comparisons of public schools in San Dimas include: Lone Hill Middle School vs. Ramona Middle School, Ramona Middle School vs. Lone Hill Middle School, La Verne Heights Elementary School vs. Oak Mesa Elementary School
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