Home › California › Castro Valley › Castro Valley High

Castro Valley High

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

Public school

About Castro Valley High

Castro Valley High is a public school in Castro Valley, California, serving grades 9 through 12. Federal data for 2024-25 shows 2,874 students enrolled. There are about 23.6 students for every full-time-equivalent teacher (121.8 teachers in all). There are 95 other schools within 5 miles. It is one of 15 schools in Castro Valley Unified. Federal locale data places it in a suburb of a large metro area, in Alameda County.

Open Houses & Tours

Castro Valley High hasn't posted any open houses, tours, kindergarten roundups or school choice fairs here yet.

Planning a visit? Call the school at (510) 537-5910 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	19400 Santa Maria Ave., Castro Valley, CA 94546
Phone	(510) 537-5910
School district	Castro Valley Unified
Grades	9 to 12
Students (2024-25)	2,874
Teachers (full-time equivalent, 2024-25)	121.8
Students per teacher	23.6
Charter school	No
School type	Regular
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 060780000742). Details may have changed since the survey. Schools can update them by claiming this profile.

Nearby schools

Redwood Christian Elementary SchoolPrivate, Christian (nondenominational) · Grades K to 5Castro Valley · 0.2 mi Our Lady of Grace Catholic SchoolPrivate, Roman Catholic · Grades K to 8Castro Valley · 0.4 mi Castro Valley ElementaryPublic · Grades K to 5Castro Valley · 0.5 mi Marshall ElementaryPublic · Grades K to 5Castro Valley · 0.7 mi Anchor Education, Inc. Dba One School Global-San FPrivate, Christian (nondenominational) · Grades 3 to 11Castro Valley · 0.7 mi One School Global-San Francisco CampusPrivate · Grades 3 to 11Castro Valley · 0.7 mi Chabot ElementaryPublic · Grades K to 5Castro Valley · 0.7 mi Proctor ElementaryPublic · Grades K to 5Castro Valley · 0.9 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 Castro Valley High serve?

Castro Valley High serves grades 9 through 12.

How many students attend Castro Valley High?

Castro Valley High reported 2,874 students in 2024-25, according to the NCES Common Core of Data.

What is the student-teacher ratio at Castro Valley High?

About 23.6 students per full-time-equivalent teacher, based on 2,874 students and 121.8 teachers in federal data.

Is Castro Valley High a public or charter school?

Castro Valley High is a traditional public (non-charter) school.

What school district is Castro Valley High in?

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

Where is Castro Valley High located?

Castro Valley High is at 19400 Santa Maria Ave., Castro Valley, CA 94546. The phone number is (510) 537-5910.

How many other schools are near Castro Valley High?

There are 95 other schools within 5 miles of Castro Valley High in our directory.