Castro Valley High
🇺🇸 Official data · 2025Castro Valley, California 94546 · Castro Valley Unified
#232 of 1,343 high schools in California
#5550 of 16,910 nationally
About Castro Valley High
Castro Valley High is a public high located in Castro Valley, in the Castro Valley Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 2,874 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 61.0 out of 100, placing it in the top 50% of high schools in United States and 232nd of 1,343 ranked high schools in California. Its strongest component is math proficiency (75th percentile), and its weakest is students per teacher (6th percentile).
Other published figures: enrollment 2,874.
There are 14 schools in Castro Valley; Castro Valley High ranks 10th of 12 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)59%
- Reading proficiency (30%)67%
- Community advantage (fewer free/reduced-price lunch) (25%)40%
- Students per teacher (15%)23.8
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Castro Valley High by the official sources.
- Enrollment
- 2,874
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 40%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 23.8
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 67%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 59%
- Share of tested students proficient or above (all students, all grades).
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Schools near Castro Valley High
Closest schools by straight-line distance, with their Success Index (US).
Alma Preschool
Castro Valley · Public other
· 595 m away
Castro Valley Elementary
Castro Valley · Public elementary · Grades K–5
502 students · 818 m away
Marshall Elementary
Castro Valley · Public elementary · Grades K–5
515 students · 1.1 km away
Chabot Elementary
Castro Valley · Public elementary · Grades K–5
496 students · 1.2 km away
Proctor Elementary
Castro Valley · Public elementary · Grades K–5
613 students · 1.4 km away
Creekside Middle
Castro Valley · Public middle · Grades 6–8
754 students · 1.5 km away
Stanton Elementary
Castro Valley · Public elementary · Grades K–5
515 students · 1.6 km away
Vannoy Elementary
Castro Valley · Public elementary · Grades K–5
536 students · 1.6 km away
Castro Valley Virtual Academy
Castro Valley · Public other · Grades K–12
45 students · 1.7 km away
Canyon Middle
Castro Valley · Public middle · Grades 6–8
1,418 students · 2.2 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Sunnyside High
Fresno · Public high · Grades 9–12
2,858 students
California High
San Ramon · Public high · Grades 9–12
2,894 students
Folsom High
Folsom · Public high · Grades 9–12
2,901 students
Liberty High
Brentwood · Public high · Grades 9–12
2,836 students
Los Alamitos High
Los Alamitos · Public high · Grades 9–12
2,915 students
Redondo Union High
Redondo Beach · Public high · Grades 9–12
2,921 students
Frequently asked questions
Is Castro Valley High a good school?
Castro Valley High has a Success Index (US) of 61.0 out of 100 (Top 50% of high schools in United States) and ranks #232 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Castro Valley High rank in California?
Castro Valley High ranks #232 of 1,343 high schools in California and #5550 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Castro Valley High?
Castro Valley High had 2,874 students in 2025.
Is Castro Valley High a elementary school or a high school?
Castro Valley High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Castro Valley High?
There are 10 schools within 15 km of Castro Valley High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.