Serving 502 students in grades Kindergarten-5, Castro Valley Elementary School ranks in the top 20% 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 34%). The percentage of students achieving proficiency in reading/language arts is 60% (which is higher than the California state average of 47%).
The student-teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 85% of the student body (majority Hispanic and Asian), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 502 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 85%
- Overall Testing Rank: Top 20% in CA
- Math Proficiency: 58% (Top 20%)
- Reading Proficiency: 60% (Top 30%)
- Science Proficiency: 35-39% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Castro Valley Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Diversity
School Overview
Castro Valley Elementary School's student population of 502 students has grown by 5% over five school years.
The teacher population of 21 teachers has grown by 16% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
502 students
Total Classroom Teachers
21 teachers
Year Founded
1905
School Motto
All Means All
School Rankings
Castro Valley Elementary School ranks within the top 20% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Castro Valley Elementary School is 0.76, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1698 out of 9523 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
58%
34%
Reading/Language Arts Test Scores (% Proficient)
60%
47%
Science Test Scores (% Proficient)
35-39%
29%
Student-Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
32%
12%
Hispanic
32%
56%
Black
6%
5%
White
15%
20%
Hawaiian
1%
n/a
Two or more races
14%
6%
All Ethnic Groups
Eligible for Free Lunch
40%
54%
Eligible for Reduced Lunch
15%
8%
School Statewide Testing
School District Name
Castro Valley Unified School District
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Castro Valley Elementary School's ranking?
Castro Valley Elementary School is ranked #1698 out of 9,523 schools, which ranks it among the top 20% 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 34% CA state average), while 60% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Castro Valley Elementary School?
502 students attend Castro Valley Elementary School.
What is the racial composition of the student body?
32% of Castro Valley Elementary School students are Asian, 32% of students are Hispanic, 15% of students are White, 14% of students are Two or more races, 6% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Castro Valley Elementary School?
Castro Valley Elementary School has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Castro Valley Elementary School offer ?
Castro Valley Elementary School offers enrollment in grades Kindergarten-5
What school district is Castro Valley Elementary School part of?
Castro Valley Elementary School is part of Castro Valley Unified School District.
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