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Schools in 94803 — El Sobrante, California: 5 schools. Average score 9.8 points below the state. Here is what that number does — and doesn't — tell you.

94803 has 5 ranked schools in El Sobrante, averaging a Scope Score of 35.0/100 — 9.8 points below the state average of 44.8 (CDE CAASPP 2025). Scores range from 21.1 to 48.0, a 26.9-point spread.

Avg Scope Score
35.0
State avg: 44.8
SchoolScope composite
Score Range
26.9
21.1 – 48.0
Avg Exceeded %
11.0%
State avg: 21.3%
Chronic Absenteeism
28.6%
State avg: 17.9%
Schools Ranked
5
With Scope Scores

How 94803 schools perform

The top-ranked school is Olinda Elementary with a Scope Score of 48 and 21.4% of students exceeding standard.

Average proficiency falls 7.8 percentage points from grade 3 to grade 5 across 94803. This pattern in test scores may reflect a variety of factors and is worth examining school by school.

Chronic absenteeism across 94803 averages 28.6%, above the state average of 17.9%. CDE CAASPP 2025.

How 94803 compares to nearby zip codes

ZipCitySchoolsAvg Scorevs 94803
94803El Sobrante5Developing
35.0/100
94804San Pablo15Needs Support
29.9/100
-5.1
94801Richmond7Needs Support
23.9/100
-11.1
94806Richmond14Developing
30.0/100
-5.0

Source: CDE CAASPP 2025, analyzed by SchoolScope.

For the data nerds

All schools in 94803

ranked by Scope Score · 2024–25 CAASPP

#SchoolExceededScore
1Olinda Elementary
West Contra Costa Unified Building Momentum
21.4%Developing
48/100
2De Anza High
West Contra Costa Unified Building Momentum
9.9%Developing
41/100
3Sheldon Elementary
West Contra Costa Unified Building Momentum
4.0%Developing
37/100
4Valley View Elementary
West Contra Costa Unified Building Momentum
11.2%Needs Support
28/100
5Murphy Elementary
West Contra Costa Unified Building Momentum
8.6%Needs Support
21/100
Source: CDE CAASPP 2025 · 5 schools in 94803Methodology · Explore all schools

Schools in 94803 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.

What Scope Scores can't tell you about 94803

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

Frequently asked questions

Are the schools in 94803 (El Sobrante) good?
94803 has 5 ranked schools in El Sobrante, averaging a Scope Score of 35.0/100 — 9.8 points below the state average. 11.0% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best school in 94803?
The highest-scoring school in zip code 94803 is Olinda Elementary with a Scope Score of 48/100 and 21.4% of students exceeding the state standard. See full methodology.
How do 94803 schools compare to the state average?
Schools in zip code 94803 average a Scope Score of 35.0/100 — 9.8 points below the state average of 44.8. The exceeded rate averages 11.0% vs. 21.3% statewide.
How many schools are in zip code 94803?
Zip code 94803 has 5 ranked schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's proprietary composite rating (0–100) based on seven dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, ELPAC English Learner proficiency, and baseline proficiency. Full methodology and weights.