High · Regular · Grades 9 to 12

Northgate High, Walnut Creek, CA

CEP schoolNorthgate High is a public high school in Walnut Creek, part of Mt. Diablo Unified. It enrolled 1,546 students in 2024-25, with 23.4 students per full-time teacher.

Enrollment and teachers

Students: 1,546
Teachers (FTE): 66.0
Students per teacher: 23.4
Grades: 9 to 12

This school's ratio is about the same as the district figure of 23.2. The California average across schools is 21.9. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school23.4

District23.2

California21.9

United States15.3

School details

Address: 425 Castle Rock Rd., Walnut Creek, CA 94598
Phone: (925)938-0900
District: Mt. Diablo Unified
County: Contra Costa County
Level: High
Type: Regular
Status: Open
Charter: No
Locale: City: Small
NCES school ID: 062637003961

Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.

Free lunch: 212
Reduced-price lunch: 134
Free or reduced-price lunch: 34622.4% of enrollment.
Direct certification: 142Students certified through programs such as SNAP, without an application.
Community Eligibility Provision: Yes (CEP school)

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

Other high schools in Mt. Diablo Unified

College Park High 1,948 students
Mt. Diablo High 1,397 students
Concord High 1,137 students
Ygnacio Valley High 1,059 students
Olympic High 233 students
Prospect High (Continuation) 60 students
Glenbrook Academy 21 students
Crossroads High 12 students

High schools elsewhere in Walnut Creek

Las Lomas High Acalanes Union High
Contra Costa School of Performing Arts Contra Costa School of Performing Arts District
Acalanes Center for Independent Study Acalanes Union High

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.