Castro Valley Unified School District

4400 Alma Ave.
Castro Valley, CA 94546-0146
(District boundaries shown in map)
10/
10
Top 10%

Top Rankings

Castro Valley Unified School District ranks among the top 20% of public school district in California for:

Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 20%)
Graduation Rate
Highest graduation rate (Top 5%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 16 public schools serving 9,548 students in Castro Valley Unified School District. This district's average testing ranking is 10/10, which is in the top 10% of public schools in California.
Public Schools in Castro Valley Unified School District have an average math proficiency score of 58% (versus the California public school average of 34%), and reading proficiency score of 68% (versus the 47% statewide average).
Minority enrollment is 81% of the student body (majority Asian), which is more than the California public school average of 80% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
16 Schools
10,347 Schools
# Students
9,548 Students
5,790,405 Students
# Teachers
416 Teachers
267,593 Teachers
Student-Teacher Ratio
23:1
23:1

Student By Grade

District Rank

Castro Valley Unified School District, which is ranked #158 of all 1,904 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has stayed relatively flat over five school years.
This School District
State Average (CA)
#161 out of 1932 school districts
(Top 10%)
58%
34%
68%
47%
50%
29%
95%
87%

Students by Ethnicity:

0.74
0.63
% American Indian
n/a
1%
% Asian
38%
12%
% Hispanic
25%
56%
% Black
4%
5%
% White
19%
20%
% Hawaiian
n/a
n/a
% Two or more races
14%
6%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $16,915 in this school district is less than the state median of $20,100. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $17,461 is less than the state median of $18,511. The school district spending/student has declined by 10% over four school years.
This School District
This State (CA)
Total Revenue
$162 MM
$116,387 MM
Spending
$167 MM
$107,188 MM
Revenue / Student
$16,915
$20,100
Spending / Student
$17,461
$18,511

Best Castro Valley Unified School District Public Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Jensen Ranch Elementary School
(Math: 75-79% | Reading: 85-89%)
Rank:
10/
10
Top 5%
20001 Carson Ln.
Castro Valley, CA 94546
(510) 537-6365
Gr: K-5 | 373 students Student-teacher ratio: 23:1 Minority enrollment: 86%
Rank: #22.
Vannoy Elementary School
(Math: 70-74% | Reading: 75-79%)
Rank:
10/
10
Top 10%
5100 Vannoy
Castro Valley, CA 94546
(510) 537-1832
Gr: K-5 | 536 students Student-teacher ratio: 24:1 Minority enrollment: 79%
Rank: #33.
Proctor Elementary School
(Math: 75% | Reading: 75%)
Rank:
10/
10
Top 10%
17520 Redwood Rd.
Castro Valley, CA 94546
(510) 537-0630
Gr: K-5 | 613 students Student-teacher ratio: 25:1 Minority enrollment: 78%
Rank: #44.
Independent Elementary School
(Math: 64% | Reading: 75%)
Rank:
10/
10
Top 10%
21201 Independent School Rd.
Castro Valley, CA 94546
(510) 537-9558
Gr: K-5 | 662 students Student-teacher ratio: 25:1 Minority enrollment: 84%
Rank: #55.
Chabot Elementary School
(Math: 68% | Reading: 71%)
Rank:
10/
10
Top 10%
19104 Lake Chabot Rd.
Castro Valley, CA 94546
(510) 537-2342
Gr: K-5 | 496 students Student-teacher ratio: 24:1 Minority enrollment: 80%
Rank: #66.
Castro Valley High School
(Math: 52% | Reading: 78%)
Rank:
9/
10
Top 20%
19400 Santa Maria Ave.
Castro Valley, CA 94546
(510) 537-5910
Gr: 9-12 | 2,874 students Student-teacher ratio: 24:1 Minority enrollment: 79%
Rank: #77.
Marshall Elementary School
(Math: 66% | Reading: 67%)
Rank:
9/
10
Top 20%
20111 Marshall St.
Castro Valley, CA 94546
(510) 537-2431
Gr: K-5 | 515 students Student-teacher ratio: 25:1 Minority enrollment: 86%
Rank: #88.
Creekside Middle School
(Math: 65% | Reading: 66%)
Rank:
9/
10
Top 20%
19722 Center St.
Castro Valley, CA 94546
(510) 247-0665
Gr: 6-8 | 754 students Student-teacher ratio: 20:1 Minority enrollment: 82%
Rank: #99.
Castro Valley Elementary School
(Math: 58% | Reading: 60%)
Rank:
9/
10
Top 20%
20185 San Miguel Ave.
Castro Valley, CA 94546
(510) 537-1919
Gr: K-5 | 502 students Student-teacher ratio: 24:1 Minority enrollment: 85%
Rank: #1010.
Palomares Elementary School
(Math: 50-59% | Reading: 60-64%)
Rank:
9/
10
Top 20%
6395 Palo Verde Rd.
Castro Valley, CA 94546
(510) 582-4207
Gr: K-5 | 135 students Student-teacher ratio: 23:1 Minority enrollment: 78%
Rank: #1111.
Stanton Elementary School
(Math: 55% | Reading: 56%)
Rank:
8/
10
Top 30%
2644 Somerset Ave.
Castro Valley, CA 94546
(510) 727-9192
Gr: K-5 | 515 students Student-teacher ratio: 23:1 Minority enrollment: 84%
Rank: #1212.
Canyon Middle School
(Math: 46% | Reading: 63%)
Rank:
8/
10
Top 30%
19600 Cull Canyon Rd.
Castro Valley, CA 94546
(510) 538-8833
Gr: 6-8 | 1,418 students Student-teacher ratio: 23:1 Minority enrollment: 83%
Rank: #1313.
Castro Valley Virtual Academy
(Math: 21-39% | Reading: 60-64%)
Rank:
7/
10
Top 50%
18400 Clifton Way
Castro Valley, CA 94546
(510) 537-3193
Gr: K-12 | 45 students Student-teacher ratio: 11:1 Minority enrollment: 75%
Rank: #1414.
Redwood Continuation High School
Alternative School
(Math: ≤10% | Reading: 20-29%)
Rank:
1/
10
Bottom 50%
18400 Clifton Way
Castro Valley, CA 94546
(510) 537-3193
Gr: 9-12 | 92 students Student-teacher ratio: 13:1 Minority enrollment: 83%
Rank: n/an/a
Alma Preschool
4400 Alma Ave.
Castro Valley, CA 94546
(510) 537-3000
Rank: n/an/a
Roy A. Johnson High School
Special Education School
18400 Clifton Way
Castro Valley, CA 94546
(510) 537-3000
Gr: 9-12 | 18 students Student-teacher ratio: 9:1 Minority enrollment: 94%

Frequently Asked Questions

How many schools belong to Castro Valley Unified School District?
Castro Valley Unified School District manages 16 public schools serving 9,548 students.
What is the rank of Castro Valley Unified School District?
Castro Valley Unified School District is ranked #158 out of 1,904 school districts in California (top 10%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of California school districts for: Highest overall rank (Top 10%), Highest math proficiency (Top 10%), Highest reading/language arts proficiency (Top 20%), Highest science proficiency (Top 20%), Highest graduation rate (Top 5%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in Castro Valley Unified School District?
38% of Castro Valley Unified School District students are Asian, 25% of students are Hispanic, 19% of students are White, 14% of students are Two or more races, and 4% of students are Black.
What is the student/teacher ratio of Castro Valley Unified School District?
Castro Valley Unified School District has a student/teacher ratio of 23:1, which is higher than the California state average of 22:1.
What is Castro Valley Unified School District's spending/student ratio?
The school district's spending/student of $17,461 is less than the state median of $18,511. The school district spending/student has declined by 10% over four school years.

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Quick Facts (2026)

  • District size: 16 schools
  • Grades: K-12
  • Enrollment: 9,548 students
  • Student-Teacher Ratio: 23:1
  • Minority Enrollment: 81%
  • : 95% (Top 5% in CA)
  • : Top 10%
  • : 58% (Top 10%)
  • : 68% (Top 20%)
  • : 50% (Top 20%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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