Public schools in Castro Valley, CA
16 open public schools with an address in Castro Valley, operated by 1 education agency. Compare size, staffing, grade spans, and school type, then confirm assignment with the district.
Public schools
16
NCES preliminary directory 2025–26
Reported students
9,548
15 schools reporting · NCES 2024–25
Median student–teacher ratio
23.6:1
California median 21.6:1
Charter schools
0
1 virtual
An overview of Castro Valley public schools
The federal directory lists 16 public schools in Castro Valley, CA: 9 elementary, 2 middle, 3 high, 2 combined or other. The 15 schools that reported 2024–25 membership enrolled 9,548 students, an average of 637 per school. The largest campus is Castro Valley High (2,874 students), and the largest elementary school is Independent Elementary (662).
Every listed school belongs to Castro Valley Unified. City names come from school mailing addresses, which often differ from district or municipal boundaries.
Across schools that reported staffing, the median student–teacher ratio is 23.6:1, higher than the statewide school median of 21.6:1. A ratio counts classroom-teacher FTE against total enrollment, so specialized programs and part-time staffing can move it; ask schools for actual class sizes by grade.
School choice options include 1 virtual school. Application windows and lotteries usually open months before the school year.
Among 4 high and combined schools with 2021–22 civil-rights data, 2 reported students enrolled in AP courses and 1 of 4 reported computer-science classes. Confirm current course catalogs directly with each school.
About 39% of students in reporting schools were eligible for free or reduced-price meals in 2024–25. This describes the community served; it is not a quality signal, and community-eligibility schools can report differently.
School districts and agencies serving Castro Valley
Elementary schools in Castro Valley
9| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Castro Valley Elementary Castro Valley Unified | KG–05 | 502 | 23.9:1 | |
| Chabot Elementary Castro Valley Unified | KG–05 | 496 | 23.6:1 | |
| Independent Elementary Castro Valley Unified | KG–05 | 662 | 25:1 | |
| Jensen Ranch Elementary Castro Valley Unified | KG–05 | 373 | 23.3:1 | |
| Marshall Elementary Castro Valley Unified | KG–05 | 515 | 24.5:1 | |
| Palomares Elementary Castro Valley Unified | KG–05 | 135 | 22.5:1 | |
| Proctor Elementary Castro Valley Unified | KG–05 | 613 | 24.5:1 | |
| Stanton Elementary Castro Valley Unified | KG–05 | 515 | 23.6:1 | |
| Vannoy Elementary Castro Valley Unified | KG–05 | 536 | 24.4:1 |
Middle schools in Castro Valley
2| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Canyon Middle Castro Valley Unified | 06–08 | 1,418 | 23:1 | |
| Creekside Middle Castro Valley Unified | 06–08 | 754 | 20.1:1 |
High schools in Castro Valley
3| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Castro Valley High Castro Valley Unified | 09–12 | 2,874 | 23.6:1 | |
| Redwood Continuation High Castro Valley Unified · Alternative School | 09–12 | 92 | 12.5:1 | |
| Roy A. Johnson High Castro Valley Unified · Special Education School | 09–12 | 18 | 9:1 |
Combined, early-childhood, and other schools in Castro Valley
2| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Alma Preschool Castro Valley Unified | Not reported | — | — | |
| Castro Valley Virtual Academy Castro Valley Unified · Virtual | KG–12 | 45 | 12.4:1 |
Student demographics
Race and ethnicity share of reported enrollment
- White18.5%
- Hispanic24.5%
- Black4%
- Asian38.3%
- American Indian / Alaska Native0.1%
- Native Hawaiian / Pacific Islander0.4%
- Multiracial14.1%
Enrollment-weighted across 15 Castro Valley schools with NCES CCD 2024–25 race/ethnicity counts (9,548 students). Privacy suppression can leave small gaps.
Questions about public schools in Castro Valley
How many public schools are in Castro Valley, CA?
The current NCES directory lists 16 open public schools with a location address in Castro Valley: 9 elementary, 2 middle, 3 high, 2 combined or other. Together they reported 9,548 students in 2024–25. The count includes charter, alternative, and special-purpose public schools; it excludes private schools.
Which school districts serve Castro Valley?
All listed public schools with an address in Castro Valley belong to Castro Valley Unified. Mailing cities do not always match district boundaries, so confirm the district for a specific home address.
What is the largest public high school in Castro Valley?
Castro Valley High reported the largest high-school enrollment in Castro Valley, with 2,874 students in 2024–25 (grades 09–12). Size is a description of the campus, not a quality measure.
Are there charter schools in Castro Valley?
No school with an address in Castro Valley is identified as a charter school in the current NCES directory. Families may still have charter or virtual options elsewhere in California.
What is the typical student–teacher ratio in Castro Valley schools?
The median reported student–teacher ratio across Castro Valley public schools is 23.6:1, higher than the California school median of 21.6:1. The ratio divides enrollment by classroom-teacher FTE; it is not an average class size.
Does living in Castro Valley guarantee a seat at a specific school?
No. Assignment depends on the district's attendance boundaries, programs, and enrollment rules, which can split a city or cross city lines. Use the district profile and its official boundary or school-locator tool to confirm the assigned school for an exact address.
Nearby California cities
Sources: NCES Common Core of Data 2025–26 preliminary directory (schools, grades, addresses, charter status) and 2024–25 nonfiscal files (enrollment, teachers, race/ethnicity, meal eligibility); Civil Rights Data Collection 2021–22 (AP and computer science). Cities are grouped by school mailing address. Methodology · All California cities