Concord · Contra Costa County
Schools in ZIP code 94520
The 3 public elementary schools in ZIP code 94520 run from the 4th to the 25th percentile among the 5,726 California elementary schools we score (spring 2026 tests).
Elementary · 3 schools
from 4th to 25th · among 5,726 California elementary schools we score · spring 2026 tests
- Cambridge Elementary: 25th percentile, Developing
- Sun Terrace Elementary: 5th percentile, Needs Support
- Meadow Homes Elementary: 4th percentile, Needs Support
One dot per school.
High school picture
High · 1 school
at 8th · among 1,498 California high schools we score · spring 2025 tests
- Mt. Diablo High: 8th percentile, Needs Support
One dot per school. Each stage is placed only among California schools at its own level.
- 2 schools not ranked statewide
- 7 private schools, not scored
Schools around ZIP code 94520
6 listed public schools with mapped locations.
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Percentile among California schools at the same level
- Strong75th+
- Solid50–74th
- Developing25–49th
- Needs Supportbelow 25th
- Not scored
The school lists on this page are also available without the map.
Elementary schools
Which elementary schools in ZIP code 94520 score highest?
Cambridge Elementary is highest, at the 25th percentile.
That’s higher than 25 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).
Highest in ZIP code 94520
Each percentile compares a school with California schools at its own level. What patterns mean
- Cambridge ElementaryMt. Diablo Unified · Grade-to-grade gains
- Sun Terrace ElementaryMt. Diablo Unified
- Meadow Homes ElementaryMt. Diablo Unified
The average elementary school in ZIP code 94520 had 25 in 100 students chronically absent (missed 10% or more of school days) in 2025–26; the average California elementary school we score had 17 in 100. Both are averages of school rates, each school counted once.
High schools
Where does the high school we score in ZIP code 94520 stand?
Mt. Diablo High is at the 8th percentile.
That’s higher than 8 in 100 of the 1,498 California high schools we score (spring 2025 tests). It’s the only public high school we score in ZIP code 94520.
Each percentile compares a school with California schools at its own level.
- Mt. Diablo HighMt. Diablo Unified
2 high schools not ranked statewide
Special education centers enroll students differently from a regular school, so we don’t rank them.
- Floyd I. MarchusSpecial education center: students are placed here by an IEP team, not by address and not by lottery, so we don’t rank it
- Glenbrook AcademySpecial education center: students are placed here by an IEP team, not by address and not by lottery, so we don’t rank it
7 private schools have an address in ZIP code 94520. They don’t take California’s state tests, so we don’t score them. See them in the private-school directory →
Which places nearby can you look at next?
Nearby ZIP codes
More places (8)
School districts
City
Before kindergarten
Common questions
Which public schools in ZIP code 94520 rank highest?
Does living in ZIP code 94520 decide which school my child attends?
More questions (3)
Are the public schools in ZIP code 94520 good?
How does chronic absence in ZIP code 94520 compare with California?
Where do these results come from?
Sources and methodology
This page lists the schools with a 94520 mailing address. Attendance zones follow school districts rather than postal boundaries.
Data source: California Department of Education · CAASPP 2025–26 elementary school; 2024–25 high school
Percentiles, bands and Scope Scores are SchoolScope’s own calculations from these state files.
Download these schools (CSV)Free to use under CC BY 4.0 with attribution.