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Castro Valley High
A+

Castro Valley High

PublicHighGrades 9–12

19400 Santa Maria Ave., Castro Valley, CA 94546 · (510) 537-5910 · Part of Castro Valley Unified School District

Castro Valley’s School Grade A better than 87% of California school districts

Directions
Photo: BriefEdits · CC BY-SA 4.0 · Wikimedia Commons
Students
2,874
Students per teacher
24:1
Free or reduced lunch
40%
Setting
Suburb
Grades
9–12
The gist

What stands out about Castro Valley High

  • Its own letter, A+: reading and math results near the top of California’s public schools
  • Math proficiency 52 pts above the state
  • Reading / language arts 36 pts above the state
  • Larger classes: 24 students per teacher
  • Enrollment up 8.8% since 2020–21

On the path

Where Castro Valley kids come from and go next. The whole path →

6–82 middle schoolsDepends on your address
9–12Castro Valley HighYou are here

Test scores

2020–21
Math proficiency86%
State average 33.6%
Reading / language arts85%
State average 48.6%

Its own letter, A+, places these results among California’s 3,615 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

19400 Santa Maria Ave., Castro Valley

Students

Enrollment by grade
Grade 9748
Grade 10740
Grade 11709
Grade 12677
Enrollment over time
2,641’20
2,699’21
2,799’22
2,842’23
2,874’24

Up 8.8% since 2020–21.

Who goes here
Asian 36%Hispanic 26%White 21%Two or more races 12%Black 5%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Castro Valley High from Castro Valley families.

Other schools in Castro Valley Unified School District

The district →
Independent Elementary
Elementary · Grades K–5 · Castro Valley
A
662 students25:1
Proctor Elementary
Elementary · Grades K–5 · Castro Valley
A
613 students25:1
Vannoy Elementary
Elementary · Grades K–5 · Castro Valley
A
536 students24:1
Marshall Elementary
Elementary · Grades K–5 · Castro Valley
A−
515 students25:1
Stanton Elementary
Elementary · Grades K–5 · Castro Valley
B+
515 students24:1
Castro Valley Elementary
Elementary · Grades K–5 · Castro Valley
B+
502 students24:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against California’s other public schools; Castro Valley’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.