For the 2026 school year, there are 6 public schools serving 3,087 students in 94520, CA (there are 6 private schools, serving 713 private students). 83% of all K-12 students in 94520, CA are educated in public schools (compared to the CA state average of 90%).
The top-ranked public schools in 94520, CA are Sun Terrace Elementary School, Floyd I. Marchus and Mt. Diablo High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 94520 have an average math proficiency score of 15% (versus the California public school average of 34%), and reading proficiency score of 21% (versus the 47% statewide average). Schools in 94520, CA have an average ranking of 1/10, which is in the bottom 50% of California public schools.
Minority enrollment is 94% of the student body (majority Hispanic), which is more than the California public school average of 80% (majority Hispanic).
Best 94520, CA Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sun Terrace Elementary School
(Math: 20-24% | Reading: 16%)
Rank:
Rank:
2/
Bottom 50%10
2448 Floyd Ln.
Concord, CA 94520
(925) 682-4861
Concord, CA 94520
(925) 682-4861
Gr: K-5 | 418 students Student-teacher ratio: 26:1 Minority enrollment: 85%
Rank: #22.
Floyd I. Marchus
Special Education School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
2900 Avon Ave.
Concord, CA 94520
(925) 602-3421
Concord, CA 94520
(925) 602-3421
Gr: K-12 | 50 students Student-teacher ratio: 6:1 Minority enrollment: 68%
Rank: #33.
Mt. Diablo High School
(Math: 13% | Reading: 27%)
Rank:
Rank:
2/
Bottom 50%10
2450 Grant St.
Concord, CA 94520
(925) 682-4030
Concord, CA 94520
(925) 682-4030
Gr: 9-12 | 1,397 students Student-teacher ratio: 20:1 Minority enrollment: 95%
Rank: #44.
Meadow Homes Elementary School
(Math: 17% | Reading: 18%)
Rank:
Rank:
2/
Bottom 50%10
1371 Detroit Ave.
Concord, CA 94520
(925) 685-8760
Concord, CA 94520
(925) 685-8760
Gr: K-5 | 732 students Student-teacher ratio: 28:1 Minority enrollment: 96%
Rank: #55.
Cambridge Elementary School
(Math: 11% | Reading: 22%)
Rank:
Rank:
1/
Bottom 50%10
1135 Lacey Ln.
Concord, CA 94520
(925) 686-4749
Concord, CA 94520
(925) 686-4749
Gr: K-5 | 469 students Student-teacher ratio: 25:1 Minority enrollment: 96%
Rank: n/an/a
Glenbrook Academy
Special Education School
2351 Olivera Rd.
Concord, CA 94520
(925) 682-8000
Concord, CA 94520
(925) 682-8000
Gr: 6-12 | 21 students Student-teacher ratio: 11:1 Minority enrollment: 71%
Frequently Asked Questions
What are the top-ranked public schools in 94520, CA?
The top-ranked public schools in 94520, CA include Sun Terrace Elementary School, Floyd I. Marchus and Mt. Diablo High School.
How many public schools are located in 94520?
6 public schools are located in 94520.
What percentage of students in 94520 go to public school?
83% of all K-12 students in 94520 are educated in public schools (compared to the CA state average of 90%).
What is the racial composition of students in 94520?
94520 public schools minority enrollment is 94% of the student body (majority Hispanic), which is more than the California public schools average of 80% (majority Hispanic).
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