Roy A. Johnson High
California hasn't published 2024-25 test results for this school. Usually that means it has no tested grades (state tests start in grade 3), or its results were hidden to protect student privacy.
School profile
- Grades
- 9-12
- Students
- 20
- Type
- High school
- Charter school
- No
- Program
- Special education
Students
District and location
Contact
Castro Valley, CA 94546
"Typical" is the middle (median) high school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).
Nearby high schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around Castro Valley
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
Roy A. Johnson High at a glance
Roy A. Johnson High is a public high school in Castro Valley, California, serving grades 9-12. It is part of the Castro Valley Unified school district. It has about 20 students (a typical California high school has 434). About 45% of students are eligible for free or reduced-price lunch, compared with 70% at a typical California high school, which is useful context when reading test results.
California hasn't published 2024-25 test results for this school, often because it has no tested grades or because the results were hidden to protect student privacy. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.