Northgate High
Walnut Creek, CA · Mt. Diablo Unified
Regular public school · Grades 9-12 · City, small
190th of 1,528 California high schools statewide · better than 88%▼ Declining
425 Castle Rock Rd., Walnut Creek, CA 94598
(925) 938-0900NCES ID 062637003961Directory 2023–24
SchoolRow ranks Northgate High 190th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 88% of high schools statewide. Its statewide percentile went from 94th in 2015 to 88th in 2025 — declining.
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 363 students tested
Racial and ethnic breakdown of 1,535 students (2023–24, NCES) — history since 1987, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| White | 67.9% | 44.6% | ▼ 23.3 pts | |
| Asian | 19.7% | 18.1% | ▼ 1.6 pts | |
| Two or more races | 1.5% | 18.1% | ▲ 16.6 pts | |
| Hispanic | 8.4% | 16.6% | ▲ 8.2 pts | |
| Black | 1.7% | 1.6% | ▼ 0.1 pts |
NCES history for this school begins in 1987. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $1.42M in zip 94598 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Northgate High
- #1192Ygnacio Valley HighMt. Diablo Unified · 2 mi away1,192nd of 1,528
ELA 29% ▼45 · Math 12% ▼39Compare - #172Las Lomas HighAcalanes Union High · 3.1 mi away172nd of 1,528
ELA 71% ▼3 · Math 56% ▲5Compare - #340Clayton Valley Charter HighContra Costa County Office of Education · 3.5 mi away · charter340th of 1,528
ELA 70% ▼4 · Math 37% ▼14Compare - –Prospect High (Continuation)Mt. Diablo Unified · 3.8 mi awayCompare
- –Contra Costa County ROPContra Costa County ROP · 3.8 mi awayCompare
- –Acalanes Center for Independent StudyAcalanes Union High · 4.3 mi awayCompare
- #977Concord HighMt. Diablo Unified · 4.7 mi away977th of 1,528
ELA 43% ▼31 · Math 17% ▼34Compare - #64Monte Vista HighSan Ramon Valley Unified · 4.7 mi away64th of 1,528
ELA 86% ▲12 · Math 65% ▲14Compare
What school district is Northgate High in?
Northgate High is part of the Mt. Diablo Unified district in Walnut Creek, California.
Is Northgate High a good school?
SchoolRow ranks Northgate High 190th of 1,528 California high schools (better than 88% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Northgate High?
White 45%, Asian 18%, Two or more races 18%, Hispanic 17% (1,535 students, 2023–24).
How much do homes near Northgate High cost?
The typical home value in zip code 94598 is $1.42M as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.