Limited Profile
Not enough data to generate a rating
Roy A. Johnson High
High School · Castro Valley Unified
PO Box 2146, Castro Valley, CA 94546
Enrollment
20
Student-Teacher
20:1
Grades
9th – 12th
Enrollment
20
Student-Teacher
20:1
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
Academic performance
8.4 / 10
Very strong
About Roy A. Johnson High
Roy A. Johnson High is a public high school in Castro Valley, CA, part of the Castro Valley Unified. The school serves approximately 20 students in grades 9th – 12th with a student-teacher ratio of 20:1.
Located in a neighborhood with a median household income of $125,780, where 41% of adults hold a bachelor's degree or higher. The school is situated in a large suburban setting.
What Parents Should Know
With an enrollment of 20 students, Roy A. Johnson High is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
School Profile
Limited Data- Grades
- 9th – 12th
- Enrollment
- 20 students
- Type
- Public
- Student-Teacher Ratio
- 20:1
- Address
- PO Box 2146, Castro Valley, CA 94546
- Phone
- (510) 537-3000
- Data Year
- SY 2022-23
Why doesn't this school have a score?
We don't have enough verified data to rate this school fairly. This can happen when a school is very new, very small, or has limited test score reporting to the state.
Our rating model requires at least 2 of 4 data components (academics, student progress, college readiness, and resources) to generate a meaningful score. Schools below this threshold receive a Limited Profile to avoid misleading ratings.
Test Scores
Test score data not yet available for this school.
Funding & Resources
Location
PO Box 2146, Castro Valley, CA 94546
Nearby Alternatives
Families considering Roy A. Johnson High may also want to explore other high schools in the area. SENECA FAMILY OF AGENCIES JAMES BALDWIN ACADEMY (rated 7.8/10, 1.1 miles away, in nearby San Leandro). Another option is Castro Valley High (rated 6.6/10, 1.1 miles away). Additionally, Redwood Continuation High (rated 6.0/10). For more schools in Castro Valley, see our Castro Valley schools guide .
Nearby Schools
20 within 1.6 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 94546 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$125,780
Median Home Value
$976,300
Median Rent
$2,506/mo
Population
45,848
College Educated
41.4%
Homeownership
65.8%
Avg Commute
33.7 min
Poverty Rate
7.4%
Median Age
42.1
Community Profile
The community surrounding Roy A. Johnson High has a median household income of $125,780. It is a well-educated community where 41% of adults hold a bachelor's degree or higher. The median home value in the area is $976,300, with a median rent of $2,506/month. The local poverty rate of 7.4% is relatively low. The average commute for residents is 34 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| A Space for Angie Vallejo Ca, CA | — |
| ACES 2020 LLC DBA: ACES ACADEMY San Diego, CA | — |
| ACES 2020 LLC, DBA: Aces Academy San Diego, CA | — |
| ALLAIS SCHOOL Arcadia, CA | — |
| ANGELES WORKSHOP SCHOOL Los Angeles, CA | — |
| AStudent Academy Irvine, CA | — |
Frequently Asked Questions
Common questions about Roy A. Johnson High
What grades does Roy A. Johnson High serve?
Roy A. Johnson High serves students in grades 9th through 12th.
How many students attend Roy A. Johnson High?
Roy A. Johnson High has an enrollment of approximately 20 students.
What is the student-teacher ratio at Roy A. Johnson High?
The student-teacher ratio at Roy A. Johnson High is 20:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
Is Roy A. Johnson High a charter school?
No, Roy A. Johnson High is not a charter school. It is a traditional public school operated by the local school district.
Is Roy A. Johnson High a Title I school?
No, Roy A. Johnson High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Roy A. Johnson High?
45.0% of students at Roy A. Johnson High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- County Safety
- Low (181/100K)
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 20
- Student-Teacher Ratio
- 20:1
- Teachers (FTE)
- 1
- Free/Reduced Lunch
- 45.0%
- Type
- special_ed
- Setting
- Large Suburb
- County
- Alameda County
- Phone
- (510) 537-3000
- Data Year
- 2023–2024
Resources & Links
District
Castro Valley Unified- District Enrollment
- 9,489
- Schools in District
- 16
- Per-Pupil Spending
- $14,627
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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