Roy A. Johnson High
Castro Valley, CA · Castro Valley Unified · Grades 12
Not enough test data for a ranking (fewer than 30 students tested)
Roy A. Johnson High ranking
Not enough test data to rank this school.
Roy A. Johnson High students
Racial and ethnic breakdown of 20 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| Two or more races | 0.0% | 30.0% | ▲ 30.0 pts | |
| White | 0.0% | 25.0% | ▲ 25.0 pts | |
| Hispanic | 0.0% | 20.0% | ▲ 20.0 pts | |
| Asian | 0.0% | 20.0% | ▲ 20.0 pts | |
| Black | 0.0% | 5.0% | ▲ 5.0 pts |
Homes near Roy A. Johnson High
Typical home value $1.04M in zip 94546 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
High schools near Roy A. Johnson High
Closest same-level schools, with 2024–25 state rank
- –Castro Valley Virtual AcademyCastro Valley Unified · 0 mi away
- 2Redwood Continuation HighCastro Valley Unified · 0.1 mi away1,367th of 1,528
ELA 9% · Math 6% - 9Castro Valley HighCastro Valley Unified · 0.9 mi away259th of 1,528
ELA 68% · Math 49% - –Alameda County Juvenile Hall/CourtAlameda County Office of Education · 1.1 mi away
- 4East Bay Arts HighSan Lorenzo Unified · 2.4 mi away981st of 1,528
ELA 30% - 3San Lorenzo HighSan Lorenzo Unified · 2.5 mi away1,196th of 1,528
ELA 30% · Math 10% - 4San Leandro HighSan Leandro Unified · 2.8 mi away1,038th of 1,528
ELA 39% · Math 16% - 1Brenkwitz HighHayward Unified · 2.9 mi away1,482nd of 1,528
ELA 4% · Math 2%
Frequently asked questions
What school district is Roy A. Johnson High in?
Roy A. Johnson High is part of the Castro Valley Unified district in Castro Valley, California.
Is Roy A. Johnson High a good school?
Roy A. Johnson High does not have enough recent test data for a SchoolRow ranking.
What is the racial makeup of Roy A. Johnson High?
Two or more races 30%, White 25%, Hispanic 20%, Asian 20% (20 students, 2023–24).
How much do homes near Roy A. Johnson High cost?
The typical home value in zip code 94546 is $1.04M as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.