Northgate High
Public
High Grades 9–12 Virtual
Part of Mt. Diablo Unified
425 Castle Rock Rd., Walnut Creek, CA 94598 · (925) 938-0900
Community ratings
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Academic performance
Math proficiency65%
State average 33.6%
Reading / language arts85%
State average 48.6%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,546Students enrolled
23:1Student–teacher ratio
22%Free / reduced lunch
CitySetting
Regular SchoolSchool type
Enrollment by grade
Grade 9399
Grade 10397
Grade 11373
Grade 12377
Students
White · 46%709
Two or more races · 19%287
Asian · 17%258
Hispanic · 17%256
Black · 1%23
Native Hawaiian/Pacific Islander · 0%7
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,492’20
1,496’21
1,507’22
1,535’23
1,546’24
Location
425 Castle Rock Rd. Walnut Creek
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.