Very Good
#2345 of 9,539 schools in CA
Top 25% in state
Northgate High
High School · Mt. Diablo Unified · Walnut Creek, CA
A Mt. Diablo Unified high school serving grades 9th – 12th.
425 Castle Rock Rd., Walnut Creek, CA 94598
- Math 57% vs CA 32% (2024)
- Reading 77% vs CA 52% (2024)
- 98.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Northgate High score 67% proficient, which is below what's typical for similar communities (expected: 69%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is down 20 points across the 16-year record (2009–2024) and has held near 67% recently.
Show all 14 years
Multi-year averages used by the rating model: math 68% (multi-year average, 2009-2024) · reading/ELA 80% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 30 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
10%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Northgate High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 10Car-Dependent
- Transit 0Minimal Transit
- Bike 39Somewhat Bikeable
- City Safety: High3,181/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Walnut Creek), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$188,170
Median home value
$1,307,100
Median rent
$2,989/mo
College educated
73.8%
Homeownership
76.1%
Poverty rate
5.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94598; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Berean Christian High SchoolPrivate · tuition | 6.8private | 9–12 | 1.3 mi | 417 | Compare → |
| Berean Christian High SchoolPrivate · tuition | Not rated | 9–12 | 1.4 mi | 408 | Compare → |
| Contra Costa School of Performing ArtsCharter · enrollment unverified | 4.2 | 6–12 | 1.8 mi | 361 | Compare → |
| Ygnacio Valley HighEnrollment path unverified | 6.1 | 9–12 | 2.1 mi | 1,111 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Mt. Diablo Unified
- Schools in district
- 52
- Rank in district
- #1 of 47
- District spending per student
- $15,421NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 9.8%Census SAIPE · 2024
Northgate High is listed in Mt. Diablo Unified; a district label does not verify attendance for an address.
About Northgate High
Northgate High is a public high school in Walnut Creek, CA, part of Mt. Diablo Unified, serving approximately 1,535 students in grades 9th-12th with a 23.6:1 student-teacher ratio. It holds a MySchoolScout rating of 7.6 out of 10 and ranks #2,345 of 9,539 schools in CA.
State assessment records show 68% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Northgate High
What grades does Northgate High serve?
Northgate High serves students in grades 9th through 12th.
How many students attend Northgate High?
Northgate High has an enrollment of approximately 1,535 students.
What is the student-teacher ratio at Northgate High?
The student-teacher ratio at Northgate High is 23.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Northgate High rank in CA?
Northgate High ranks #2,345 of 9,539 schools in CA.
What is Northgate High's MySchoolScout rating?
Northgate High has a current MySchoolScout rating of 7.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Northgate High?
Based on loaded state assessment records, Northgate High has 68% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
Is Northgate High a charter school?
No, Northgate High is not a charter school. It is a traditional public school operated by the local school district.
Is Northgate High a Title I school?
No, Northgate High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Northgate High?
10.0% of students at Northgate High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,535
- Student-Teacher Ratio
- 23.6:1
- Teachers (FTE)
- 65
- Type
- regular
- Setting
- Small City
- County
- Contra Costa County
- Chronic Absenteeism (SY 2022-23)
- 14.7%
- Phone
- (925) 938-0900
- 4-Year Graduation
- 98.0%
- Area population (ZIP 94598)
- 26,293
- Area average commute
- 34.1 min
- Area median age
- 45.5
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 94598; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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