Roy A. Johnson High
Castro Valley · CA · Castro Valley Unified · Public
Similar nearby schools
Most similar nearby schools
Dublin Unified Transition Program → Central County Special Education Programs → Eden Area ROP → Valley High (Continuation) → Alameda County Juvenile Hall/Court → Alameda County Community → Brenkwitz High → Redwood Continuation High →At a glance
- AP rigor: Bottom 6% of US high schools
Composed from federal CRDC offerings, and other public data. Full breakdowns below.
How Roy A. Johnson High compares for families
What families should know about Roy A. Johnson High.
- ▸ LocallyCA trails the US average on NAEP 8th-grade math (−4 points). Stronger local schools matter even more.
- ▸ vs Similar SchoolsThe closest comparables nearby: Dublin Unified Transition Program, Central County Special Education Programs, Eden Area ROP and 5 more. See the sidebar to compare side-by-side.
For Parents
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Objective, government-grade data — no school pays us for placement.
SAT / ACT participation
CRDC federal data · 2020-21Source: federal Civil Rights Data Collection (CRDC 2020-21). Volume — not score — is what's reported here. A higher count means more students at this school are entering the college admissions pipeline. Note: 2020-21 was COVID-disrupted; some districts (especially those that stayed remote longer) report unusually low or zero takers.
Teacher workforce · federal CRDC
Teacher experience & reliability
Source: federal Civil Rights Data Collection (CRDC 2017-18 — the most recent vintage that publishes per-school teacher quality fields; the 2020-21 sweep had them suppressed). "Inexperienced" = teachers in their first or second year. "Chronic absence" = teachers absent 10+ days/year.
Federal Title I context
Title I Schoolwide eligible
≥40% FRPL — qualifies for Title I Schoolwide program
40-74% of students qualify for free/reduced lunch. The district can use Title I funds across the whole school under federal Schoolwide Program rules.
Source: NCES Common Core of Data, free/reduced-price lunch eligibility. The actual Title I designation is a district decision and may differ from eligibility — but the federal eligibility math is what we show here. We don't claim to assert whether the district formally chose to enroll this school in Title I.
Enrollment trend & projection
Total enrollment + grade 12, NCES Common Core of Data (2021–2024).
Most similar nearby high schools
The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.
| School | Type | Miles | HS enrollment | Trend |
|---|---|---|---|---|
| Dublin Unified Transition Program Dublin |
Public | 9.4 | 20 | — |
| Central County Special Education Programs Alamo |
Public | 10.8 | 12 | — |
| Eden Area ROP Hayward |
Public | 5.2 | — | — |
| Valley High (Continuation) Dublin |
Public | 9.2 | 36 | — |
| Alameda County Juvenile Hall/Court San Leandro |
Public | 1.4 | 55 | +0.0% |
| Alameda County Community Hayward |
Public | 3.8 | 68 | +19.3% |
| Brenkwitz High Hayward |
Public | 2.8 | 76 | -51.3% |
| Redwood Continuation High Castro Valley |
Public | 0.0 | 92 | -9.8% |
Related reading
UC testing review · August 25, 2026
College admissions · August 21, 2026