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Schools in 94546 — Castro Valley, California: 94546 students aren't just reaching proficiency — many go beyond it.

94546 has 9 ranked schools in Castro Valley, averaging a Scope Score of 55.1/100 — 12.9 points above the state average of 42.2 (a state average weighted to 94546's own mix of school levels; CDE CAASPP 2025). Scores range from 23.2 to 70.7, a 47.4-point spread. 2 schools rank in the 90th percentile or above statewide.

How 94546 schools perform

The top-ranked school is Castro Valley High with a Scope Score of 71 and 30.4% of students exceeding standard.

Students here are going past the bar, not just to it. Schools here average 34.0% exceeding standard — well above the statewide average of 20.6%, itself weighted to 94546's own level mix.

Cohort growth among 94546's elementary schools — the returning cohort, 2023 G3 → 2025 G5 — averages +73 scale-score points across 6 schools in 94546 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 94546 averages 17.8%, near the state average of 19.0%, weighted to 94546's own level mix. CDE CAASPP 2025.

How 94546 compares to nearby zip codes

ZipCityMilesSchoolsAvg Scorevs 94546
94546Castro Valley955.1/100
94541Hayward2.31121.5/100-33.6
94552Castro Valley2.3460.5/100+5.4
94578San Leandro3.0326.1/100-29.0
94580San Lorenzo3.41141.4/100-13.6
94579San Leandro4.3435.8/100-19.2

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 94546

4 Strong All-Around1 Growth Engine1 Solid Base1 Culture First2 Building Momentum1 not compared

Hidden gems: 1 school in 94546 is classified as Growth Engine — showing positive growth trajectories that raw proficiency scores alone don't capture. These are schools where students leave with more than they arrived with.

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

For the data nerds

All schools in 94546

ranked by Scope Score · 2024–25 CAASPP

Figures
Score range23.2 – 70.7
47.4 pts SchoolScope composite
Chronic absenteeismstate avg 19.0% (level-matched)

Elementary Schools (6)

avg 55.2/1006 ranked elementary schools4 Strong, 2 Solid
#SchoolExceededScore
1Proctor Elementary
Castro Valley Unified Strong All-Around
53.8%93rd percentile · StrongScope Score 69/100
2Chabot Elementary
Castro Valley Unified Strong All-Around
42.4%87th percentile · StrongScope Score 60/100
3Marshall Elementary
Castro Valley Unified Strong All-Around
41.9%86th percentile · StrongScope Score 59/100
4Vannoy Elementary
Castro Valley Unified Solid Base
37.6%83rd percentile · StrongScope Score 56/100
5Castro Valley Elementary
Castro Valley Unified Building Momentum
30.7%67th percentile · SolidScope Score 44/100
6Stanton Elementary
Castro Valley Unified Culture First
30.0%67th percentile · SolidScope Score 44/100

Middle Schools (1)

avg 70.6/1001 ranked middle schools1 Strong
#SchoolExceededScore
1Creekside Middle
Castro Valley Unified Growth Engine
40.4%94th percentile · StrongScope Score 71/100

High Schools (3)

avg 49.6/1003 ranked high schools1 Strong, 1 Solid, +1 more
#SchoolExceededScore
1Castro Valley High
Castro Valley Unified Strong All-Around
30.4%88th percentile · StrongScope Score 71/100
2Castro Valley Virtual Academy
Castro Valley Unified Building Momentum
31.8%56th percentile · SolidScope Score 55/100
3Redwood Continuation High
Castro Valley Unified continuation high school
1.6%47th percentile · DevelopingWithin its own school classScope Score 23/100
Source: CDE CAASPP 2025 · 9 schools in 94546Methodology · Explore all schools

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 94546

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 94546 (Castro Valley) good?
94546 has 9 ranked schools in Castro Valley, averaging a Scope Score of 55.1/100 — 12.9 points above the state average, a benchmark weighted to 94546's own mix of school levels. 34.0% 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 94546?
The highest-scoring school in zip code 94546 is Castro Valley High with a Scope Score of 71/100 and 30.4% of students exceeding the state standard. See full methodology.
How do 94546 schools compare to the state average?
Schools in zip code 94546 average a Scope Score of 55.1/100 — 12.9 points above the state average of 42.2, a state average weighted to zip code 94546's own mix of school levels. The exceeded rate averages 34.0% vs. 20.6% statewide (also level-weighted).
How many schools are in zip code 94546?
Zip code 94546 has 9 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 composite rating (0–100), built from publicly available California school data across academic-performance and school-climate signals. Full methodology and weights.