Serving 2,799 students in grades 9-12, Castro Valley High School ranks in the top 10% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 58% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 78% (which is higher than the California state average of 47%).
The student:teacher ratio of 23:1 is higher than the California state level of 22:1.
Minority enrollment is 76% of the student body (majority Asian), which is lower than the California state average of 79% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 2,799 students
- Student:Teacher Ratio: 23:1
- Minority Enrollment: 76%
- Graduation Rate: 97% (Top 10% in CA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 58% (Top 20%)
- Reading Proficiency: 78% (Top 10%)
- Science Proficiency: 48% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Castro Valley High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Castro Valley High School's student population of 2,799 students has stayed relatively flat over five school years.
The teacher population of 120 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
2,799 students
Gender %
Total Classroom Teachers
120 teachers
Students by Grade
School Rankings
Castro Valley High School ranks within the top 10% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Castro Valley High School is 0.75, which is more than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#903 out of 9602 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
58%
33%
Reading/Language Arts Test Scores (% Proficient)
78%
47%
Science Test Scores (% Proficient)
48%
29%
Student : Teacher Ratio
23:1
22:1
American Indian
n/a
1%
Asian
36%
12%
Hispanic
24%
55%
Black
5%
5%
White
24%
21%
Hawaiian
n/a
n/a
Two or more races
11%
6%
All Ethnic Groups
Graduation Rate
97%
87%
Eligible for Free Lunch
23%
51%
Eligible for Reduced Lunch
12%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Castro Valley High School's ranking?
Castro Valley High School is ranked #903 out of 9,602 schools, which ranks it among the top 10% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
58% of students have achieved math proficiency (compared to the 33% CA state average), while 78% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Castro Valley High School?
The graduation rate of Castro Valley High School is 97%, which is higher than the California state average of 87%.
How many students attend Castro Valley High School?
2,799 students attend Castro Valley High School.
What is the racial composition of the student body?
36% of Castro Valley High School students are Asian, 24% of students are Hispanic, 24% of students are White, 11% of students are Two or more races, and 5% of students are Black.
What is the student:teacher ratio of Castro Valley High School?
Castro Valley High School has a student ration of 23:1, which is higher than the California state average of 22:1.
What grades does Castro Valley High School offer ?
Castro Valley High School offers enrollment in grades 9-12
What school district is Castro Valley High School part of?
Castro Valley High School is part of Castro Valley Unified School District.
School Reviews
3 5/29/2021
School is constantly asking for handouts. Its state funded... why are we asked persistently to donate to everything? It sounds like some of our budget surplus could go towards SCHOOLS.
2 10/6/2012
This school has a bullying problem and esculates when you tell staff about it. So many students suffer in misery as there lives are made miserable. These girl students are very vicious and threaten other students to join in with their viciousness.
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