Schools in 94520 — Concord, California: 94520 schools clear the bar — but few are pushed past it.
94520 has 4 ranked schools in Concord, averaging a Scope Score of 23.5/100 — 19.2 points below the state average of 42.6 (a state average weighted to 94520's own mix of school levels; CDE CAASPP 2025). Scores range from 11.4 to 40.0, a 28.6-point spread.
How 94520 schools perform
The top-ranked school is Mt. Diablo High with a Scope Score of 40 and 7.2% of students exceeding standard.
Students are clearing the bar — but few are pushed past it. Schools in 94520 average 19.2% meeting standard but only 5.4% exceeding it. One plausible read: schools in this zip pace toward proficiency rather than past it — worth examining school by school.
Cohort growth among 94520's elementary schools — the returning cohort, 2023 G3 → 2025 G5 — averages +67 scale-score points across 3 schools in 94520 with a large enough tested cohort. Scale scores rise with grade for nearly every school, so this describes the cohort's trajectory, not a ranking against other zip codes — worth examining school by school.
Chronic absenteeism across 94520 averages 27.5%, above the state average of 19.2%, weighted to 94520's own level mix. CDE CAASPP 2025.
How 94520 compares to nearby zip codes
| Zip | City | Miles | Schools | Avg Score | vs 94520 |
|---|---|---|---|---|---|
| 94520 | Concord | — | 4 | 23.5/100 | — |
| 94519 | Concord | 1.1 | 3 | 30.3/100 | +6.8 |
| 94518 | Concord | 2.7 | 5 | 26.0/100 | +2.6 |
| 94523 | Pleasant Hill | 3.1 | 10 | 46.3/100 | +22.9 |
| 94521 | Concord | 3.8 | 9 | 40.2/100 | +16.8 |
| 94598 | Walnut Creek | 4.7 | 7 | 59.4/100 | +35.9 |
Source: CDE CAASPP 2025, analyzed by SchoolScope.
All schools in 94520
ranked by Scope Score · 2024–25 CAASPP
Elementary Schools (3)
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Sun Terrace Elementary Mt. Diablo Unified Building Momentum | 9.7% | Needs Support 25/100 |
| 2 | Cambridge Elementary Mt. Diablo Unified Building Momentum | 2.4% | Needs Support 17/100 |
| 3 | Meadow Homes Elementary Mt. Diablo Unified Building Momentum | 2.4% | Needs Support 11/100 |
High Schools (1)
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Mt. Diablo High Mt. Diablo Unified Building Momentum | 7.2% | Needs Support 40/100 |
Schools in 94520 on the map
Data source: California Department of Education · CAASPP 2024-25 · Methodology
Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.
Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology