Northgate High

High school·Grades 9-12 Walnut Creek, California·94598
Score
89.3/100
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#185
Among 1,729 California high schools
#1
In Mt. Diablo Unified
#2
In Walnut Creek
Top 11%
In California

Score 89.3/100: better than 89% of California high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
74%
Similar California schools ≈ 57%, better than 85% of them
353 students tested
Math
51%
Similar California schools ≈ 31%, better than 89% of them
355 students tested
Science
54%
Similar California schools ≈ 33%, better than 89% of them
363 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 9 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 11Smarter Balanced ELA73.7353
English language artsAll gradesSmarter Balanced ELA73.7353
MathGrade 11Smarter Balanced Math51.0355
MathAll gradesSmarter Balanced Math51.0355
ScienceGrade 11CAST53.7354
ScienceGrade 12CASThidden (small group)9
ScienceGrade 14CAST53.7363
ScienceAll gradesCAST53.7363
ScienceGrade 99CAST54.8363

School profile

Grades
9-12
Students
1,535
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,535
Typical high school: 434
Free or reduced-price lunch
23%
Typical high school: 70%

District and location

School district
City
Contra Costa County

Contact

Address
425 Castle Rock Rd.
Walnut Creek, CA 94598

"Typical" is the middle (median) high school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Northgate High at a glance

Northgate High is a public high school in Walnut Creek, California, serving grades 9-12. It is part of the Mt. Diablo Unified school district. It has about 1,535 students (a typical California high school has 434). About 23% of students are eligible for free or reduced-price lunch, compared with 70% at a typical California high school, which is useful context when reading test results.

In 2024-25 state tests, 74% in English language arts (similar schools: 57%) and 51% in math (similar schools: 31%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California high schools, it scores 89.3 out of 100: better than 89% of them, ranking #185 of 1,729. Its English language arts result fell by 3 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare Northgate High with another school

Page updated 2026-10-12.