For the 2025 school year, there are 4 public high schools serving 3,027 students in Castro Valley, CA. The top ranked public high schools in Castro Valley, CA are Castro Valley High School, Castro Valley Virtual Academy and Redwood Continuation High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Castro Valley, CA public high schools have an average math proficiency score of 54% (versus the California public high school average of 28%), and reading proficiency score of 72% (versus the 51% statewide average). High schools in Castro Valley have an average ranking of 10/10, which is in the top 10% of California public high schools.
Castro Valley, CA public high school have a Graduation Rate of 95%, which is more than the California average of 87%.
The school with highest graduation rate is Castro Valley High School, with 97% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 78% of the student body (majority Asian), which is less than the California public high school average of 79% (majority Hispanic).
Best Public High Schools in Castro Valley, CA (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Castro Valley High School
(Math: 58% | Reading: 78%)
Rank:
Rank:
10/
Top 10%10
19400 Santa Maria Ave.
Castro Valley, CA 94546
(510) 537-5910
Castro Valley, CA 94546
(510) 537-5910
Grades: 9-12
| 2,842 students
Rank: #22.
Castro Valley Virtual Academy
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
18400 Clifton Way
Castro Valley, CA 94546
(510) 537-3193
Castro Valley, CA 94546
(510) 537-3193
Grades: K-12
| 47 students
Rank: #33.
Redwood Continuation High School
Alternative School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
18400 Clifton Way
Castro Valley, CA 94546
(510) 537-3193
Castro Valley, CA 94546
(510) 537-3193
Grades: 9-12
| 118 students
Rank: n/an/a
Roy A. Johnson High School
Special Education School
18400 Clifton Way
Castro Valley, CA 94546
(510) 537-3000
Castro Valley, CA 94546
(510) 537-3000
Grades: 9-12
| 20 students
Castro Valley, California Public Schools (Closed)
School
Location
Grades
Students
2652 Vergil Ct.
Castro Valley, CA 94546
(510) 931-7868
Castro Valley, CA 94546
(510) 931-7868
Grades: 1-8
| 308 students
Frequently Asked Questions
What are the top ranked public high schools in Castro Valley, CA?
The top ranked public high schools in Castro Valley, CA include Castro Valley High School, Castro Valley Virtual Academy and Redwood Continuation High School. Castro Valley has one of the highest concentrations of top ranked public schools in California.
How many public high schools are located in Castro Valley?
4 public high schools are located in Castro Valley.
What is the racial composition of students in Castro Valley?
Castro Valley public high schools minority enrollment is 78% of the student body (majority Asian), which is less than the California public high schools average of 79% (majority Hispanic).
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