Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 106 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 115 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 130 Deprecated: Return type of Phpfastcache\Util\ArrayObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 48 Deprecated: Return type of Phpfastcache\Util\ArrayObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 56 Deprecated: Return type of Phpfastcache\Util\ArrayObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 80 Deprecated: Return type of Phpfastcache\Drivers\Memcached\Item::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Item/ItemExtendedTrait.php on line 438 Best Public Schools in San Dimas, CA (2026)
Public School Review - Established 2003

Best San Dimas Public Schools (2026)

For the 2026 school year, there are 16 public schools serving 17,562 students in San Dimas, CA (there are 8 private schools, serving 1,011 private students). 91% 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)
Location
Quick Facts
Rank: #11.
Arma J. Shull Elementary School
(Math: 83% | Reading: 81%)
Rank:
10/
10
Top 5%
825 North Amelia
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:
10/
10
Top 10%
5200 Wheeler Ave.
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:
10/
10
Top 10%
3102 D St.
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:
9/
10
Top 20%
1629 Holly Oak St.
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:
9/
10
Top 20%
3490 Ramona Ave.
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:
9/
10
Top 20%
2715 E St.
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:
9/
10
Top 20%
1550 Baseline Rd.
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:
9/
10
Top 20%
800 West Covina Blvd.
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:
9/
10
Top 20%
740 East Allen Ave.
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:
9/
10
Top 20%
400 North Walnut Ave.
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:
8/
10
Top 30%
1314 West Gladstone
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:
8/
10
Top 30%
700 South Lone Hill
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:
6/
10
Top 50%
955 Stanislaus St.
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:
2/
10
Bottom 50%
121 West Allen Ave.
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
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
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?
91% 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?

Recent Articles

AI Report Cards: Should Schools Evaluate AI Use?
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.

Quick Links

School Search Tools:
School by Type (CA):
Private & Boarding Schools:
State Links:

Most Popular Articles

Year-Round vs Traditional School Calendar: 2025 Insights
Year-Round vs Traditional School Calendar: 2025 Insights
 Should Sixth Grade Be in Elementary School or Middle School?
Should Sixth Grade Be in Elementary School or Middle School?
California Top-Ranked Public Schools
California Top-Ranked Public Schools
 Education Funding in America (2025 Update)
Education Funding in America (2025 Update)
 Cell Phones in Class? Many Schools are Saying Yes
Cell Phones in Class? Many Schools are Saying Yes

More Articles

Opinion
Evaluating Public Schools
Local School Topics
Parenting and Learning Issues
Teaching