Castro Valley High School
High school in Castro Valley, CA · Castro Valley Unified · Grades 9-12
On the spring 2026 state tests, 60% of Castro Valley High School students met or exceeded California's reading (ELA) standard and 43% met the math standard. In reading, that is 6 points below the Castro Valley Unified average (67%) and 11 points above the California average (49%). Its reading result is higher than 53% of Bay Area high schools. Reading results in 2026 were 6 points lower than in 2024, and math results were 6 points lower than in 2024.
Test scores, 2024 to 2026
| Subject | Spring 2024 | Spring 2025 | Spring 2026 | Change |
|---|---|---|---|---|
| Reading (ELA) | 66% | 68% | 60% | −6 pts |
| Math | 49% | 49% | 43% | −6 pts |
Compared with nearby averages
| Spring 2026 | Reading (ELA) | Math |
|---|---|---|
| Castro Valley High School | 60% | 43% |
| Castro Valley Unified | 67% | 59% |
| Alameda County | 56% | 49% |
| California | 49% | 38% |
Where graduates go
Share of the class of 2022-23 enrolled in college within 16 months of graduating.
For fall 2025, UC admitted 234 of 306 freshman applicants from Castro Valley High School (76%), and 103 enrolled.
Homes near Castro Valley High School
The typical home value in ZIP code 94546, where Castro Valley High School is located, is $1.01M, up 1.5% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Zillow and Redfin can both search for homes inside a school’s attendance zone and email you new listings. Search for the school by name on either site and save the search.
Nearby high schools
| Distance | School | Reading (ELA) | Math | Typical home value (ZIP) |
|---|---|---|---|---|
| 2.3 mi | Hayward HighHayward · Grades 9-12 | 51% | 21% | $760K |
| 2.7 mi | San Lorenzo HighSan Lorenzo · Grades 9-12 | 23% | 5% | $798K |
| 3.6 mi | San Leandro HighSan Leandro · Grades 9-12 | 47% | 23% | $794K |
| 3.7 mi | Arroyo HighSan Lorenzo · Grades 9-12 | 47% | 27% | $798K |
| 4.4 mi | Tennyson HighHayward · Grades 9-12 | 25% | 11% | $804K |
| 4.5 mi | KIPP King Collegiate High CharterSan Lorenzo · Grades 9-12 | 83% | 46% | $798K |
School details
- Address
- 19400 Santa Maria Avenue, Castro Valley, CA 94546
Get directions · See it on our map - Phone
- (510) 537-5910
- District
- Castro Valley Unified
- County
- Alameda County
- Grades
- 9-12
- Students
- 2,919 (2025-26)
- Type
- High school · Traditional
- State school code
- 01611500132225
Common questions
How did Castro Valley High School do on state tests?
In spring 2026, 60% of students met or exceeded the reading (ELA) standard and 43% met the math standard, compared with 49% and 38% across California.
How many students attend Castro Valley High School?
2,919 students were enrolled in the 2025-26 school year, in grades 9-12.
How many Castro Valley High School students get into UC?
For fall 2025, 234 of 306 UC freshman applicants from Castro Valley High School were admitted. Of the class of 2022-23, 15% enrolled at a UC campus within 16 months.
How much do homes cost near Castro Valley High School?
The typical home value in ZIP code 94546, where Castro Valley High School is located, is $1.01M, up 1.5% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Does living near Castro Valley High School guarantee a spot?
No. Public schools assign students by attendance zone, which Castro Valley Unified sets and can change. Confirm the zone for a specific address with the district before you buy or rent.