Limited Profile
Not enough data to generate a rating
Roy A. Johnson High
High School · Castro Valley Unified · Castro Valley, CA
A Castro Valley Unified high school serving grades 9th – 12th.
PO Box 2146, Castro Valley, CA 94546
Academics
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
Most recent published year. School vs. CA average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Roy A. Johnson High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 43Car-Dependent
- Transit 17Minimal Transit
- Bike 18Somewhat Bikeable
- County Safety: Low181/100K
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FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$125,780
Median home value
$976,300
Median rent
$2,506/mo
College educated
41.4%
Homeownership
65.8%
Poverty rate
7.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94546; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Castro Valley Virtual AcademyEnrollment path unverified | 7.6 | K–12 | 0.0 mi | 47 | Compare → |
| Redwood Continuation HighEnrollment path unverified | 5.2 | 9–12 | 0.0 mi | 118 | Compare → |
| Anchor EducationPrivate · tuition | 4.7private | 3–12 | 0.5 mi | 30 | Compare → |
| Oneschool Global - San FranciscoPrivate · tuition | Not rated | 3–12 | 0.5 mi | 35 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Castro Valley Unified
- Schools in district
- 16
- District spending per student
- $14,627NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 4.6%Census SAIPE · 2024
Roy A. Johnson High is listed in Castro Valley Unified; a district label does not verify attendance for an address.
About Roy A. Johnson High
Roy A. Johnson High is a public high school in Castro Valley, CA, part of Castro Valley Unified, serving approximately 20 students in grades 9th-12th with 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.
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- 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
- Area population (ZIP 94546)
- 45,848
- Area average commute
- 33.7 min
- Area median age
- 42.1
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 94546; this does not measure the attendance area.
Evidence periods: Rating not displayed; assessments vintage unavailable; directory SY 2023–24
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