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
Data vintage
2022-23
Data vintage2022-23
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Roy A. Johnson High
High School in Castro Valley · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Redwood Continuation High
0.0 mi away. Use as a geographic alternative in the same move search.
Castro Valley Virtual Academy
0.0 mi away. Use as a geographic alternative in the same move search.
About Roy A. Johnson High
Roy A. Johnson High is a public high school in Castro Valley, CA, part of Castro Valley Unified. Roy A.
Johnson High serves approximately 20 students, and covers grades 9th-12th, and has a 20:1 student-teacher ratio. MySchoolScout does not publish a rating for this profile because there is not enough verified data to rate it fairly. Based on limited data: 0% component coverage.
What Parents Should Know
At 20 students, Roy A. Johnson High is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.
45% of students at Roy A. Johnson High were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
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 7.4/10, 1.1 miles away). Additionally, Redwood Continuation High (rated 5.2/10). 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
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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.
Neighborhood Context
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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
- Chronic Absenteeism (SY 2022-23)
- 45.0%
- Phone
- (510) 537-3000
Resources & Links
District
Castro Valley Unified- District Enrollment
- 9,489
- Schools in District
- 16
- Per-Pupil Spending
- $14,627
Other Schools in This District
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