Home › California › Castro Valley › Roy A. Johnson High

Roy A. Johnson High

Castro Valley, California · Grades 9 to 12 · Castro Valley Unified

Public schoolSpecial Education

About Roy A. Johnson High

Located in Castro Valley, California, Roy A. Johnson High is a public school for grades 9 through 12. Federal data for 2024-25 shows 18 students enrolled. With about 2 full-time-equivalent teachers, that works out to roughly 9 students per teacher. Castro Valley Unified runs 15 schools listed here, including this one. See them all. Families comparing options will find 97 other schools within 5 miles. Federal data classifies it as a special education school. The surrounding area is classified as a suburb of a large metro area, in Alameda County.

Open Houses & Tours

Roy A. Johnson High hasn't posted any open houses, tours, kindergarten roundups or school choice fairs here yet.

Planning a visit? Call the school at (510) 537-3000 to ask about tours, kindergarten registration and open house dates, or sign up below and we'll email you when schools near you post visit dates.

Work at this school? Add your next open house or tour for free. It takes about two minutes.

Add a visit event Get visit alerts

Parent reviews

No reviews yet. If your child goes here, or went here, your experience can help another family decide.

Be the first to review

Every review is checked against our moderation policy before it appears. We never remove a review because it is negative. ParentSchoolReview is owned and operated by School Success. Disclosure.

School facts

Address	18400 Clifton Way, Castro Valley, CA 94546
Phone	(510) 537-3000
School district	Castro Valley Unified
Grades	9 to 12
Students (2024-25)	18
Teachers (full-time equivalent, 2024-25)	2
Students per teacher	9
Charter school	No
School type	Special Education
Level	High
Locale (NCES)	Suburb, large, Alameda County

Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 060780000750). Details may have changed since the survey. Schools can update them by claiming this profile.

Nearby schools

Redwood Continuation HighPublic · Grades 9 to 12Castro Valley · under 0.1 mi Castro Valley Virtual AcademyPublic · Grades K to 12Castro Valley · under 0.1 mi Chabot ElementaryPublic · Grades K to 5Castro Valley · 0.4 mi Anchor Education, Inc. Dba One School Global-San FPrivate, Christian (nondenominational) · Grades 3 to 11Castro Valley · 0.5 mi One School Global-San Francisco CampusPrivate · Grades 3 to 11Castro Valley · 0.5 mi Stanton ElementaryPublic · Grades K to 5Castro Valley · 0.9 mi Our Lady of Grace Catholic SchoolPrivate, Roman Catholic · Grades K to 8Castro Valley · 1 mi Castro Valley HighPublic · Grades 9 to 12Castro Valley · 1.1 mi

The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.

Frequently asked questions

What grades does Roy A. Johnson High serve?

Roy A. Johnson High serves grades 9 through 12.

How many students attend Roy A. Johnson High?

Roy A. Johnson High reported 18 students in 2024-25, according to the NCES Common Core of Data.

What is the student-teacher ratio at Roy A. Johnson High?

About 9 students per full-time-equivalent teacher, based on 18 students and 2 teachers in federal data.

Is Roy A. Johnson High a public or charter school?

Roy A. Johnson High is a traditional public (non-charter) school.

What school district is Roy A. Johnson High in?

Roy A. Johnson High is part of Castro Valley Unified. See all schools in this district at https://parentschoolreview.com/districts/ca/castro-valley-unified/

Where is Roy A. Johnson High located?

Roy A. Johnson High is at 18400 Clifton Way, Castro Valley, CA 94546. The phone number is (510) 537-3000.

How many other schools are near Roy A. Johnson High?

There are 97 other schools within 5 miles of Roy A. Johnson High in our directory.