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Northgate High · Walnut Creek

Northgate High: High scores, healthy climate, strong attendance. We looked for a catch — we didn't find one.

Northgate posts 37.9% exceeding the standard — versus 15.8% statewide — with climate numbers better than most. That doesn't make it perfect. It makes it worth a visit to find what numbers can't measure.

425 Castle Rock Road, 94598 (opens in new tab)·Mt. Diablo Unified·Walnut Creek·Grades 9-12·1,546 students·22% low-income·2024–25 CAASPP·(925) 938-0900
2019–2025 trend · CDE CAASPP
This schoolCA avg
Scope6744
% Exceeded38%16%
% Met+62%36%
Grad rate98.7%87.6%
College readiness73.7%35.4%
Absence13.8%30.2%
Suspension2.2%3.6%
Scope Score
67
💪 Strong All-Around · Solid
ranked #172 statewide · #1 of 8 in Mt. Diablo Unified

Northgate High scores 67 of 100 on SchoolScope's Scope Score — the 92nd percentile of 2,160 California high schools (CDE CAASPP 2025).

Measures test performance, attendance, and climate — not arts, community, or your kid. How we score →

💪 Strong All-Around — Ask about what we don't score — class size, electives, the feel of a classroom — strong numbers everywhere on paper don't mean every classroom feels the same.

Most rating sites would stop at “62% proficient” and call it done. Northgate deserves a closer read. It sits at the 92nd percentile of 2,160 California high schools — but the ranking is the least interesting thing on this page.

Northgate's low-income kids hit 72.3% proficiency in ELA — a number the same group reaches at 38.2% statewide. If you're trying to read past zip-code-driven test scores, that's the signal worth weighing.

The seven-year arc

Percentile among 2,160 high schools statewide

Has held the 92nd-percentile line every tested year since 2019.

CA Dashboard
ELAYellow(Declined Significantly)MathOrange(Declined Significantly)

This school hasn't fully recovered from the pandemic: 62% meet the standard today, versus 71% in 2019 — a gap worth asking about on a visit.

ELA — % met or exceeded, by grade
Grade20192022202320242025
Grade 1179%86%81%77%74%
Math — % met or exceeded, by grade
Grade20192022202320242025
Grade 1163%59%54%57%51%

The story this school is actually telling

Proficient by 11th grade
62%
State 36%
Graduate
99%
State 88%
Pass an AP exam
74%
State 35%

Of 100 students here: 62 are proficient by 11th grade → 99 graduate → 74 pass an AP exam. The gaps between those bars are the questions to ask.

72.3%
Low-income · ELA · met standard

Northgate's most underrated number

72.3% of low-income students met the ELA standard — versus 38.2% for the same group statewide. That's the strongest kind of signal a school can post: it holds across income lines.

Northgate low-income: 72.3%State low-income: 38.2%

The 7 things our score weighs

Graduation rate
98.7%
State 87.6%
11.1pp above state avg
Exceeded standard
37.9%
State 15.8%
22.0pp above state avg
College readiness
73.7%
State 35.4%
AP exam pass rate above state avg
Met or exceeded
62.3%
State 35.7%
26.6pp above state avg
Chronic absenteeism
13.8%
State 30.2%
16.4pp below state avg
Suspension rate
2.2%
State 3.6%
1.5pp below state avg
EL proficiency (ELPAC)
20.0%
State 18.0%
2.0pp above state avg
Worth a school visit

Ask what the school is working on next. Strong numbers tell you where a school is, not where it's going.

  • Ask whether extra support — tutoring, counseling, small groups — reaches kids across income lines, not just the students already ahead.
  • Ask whether the tour can step into a working classroom — watch how the teacher handles a student who's stuck.
  • Ask to tour while school's in session, and notice how hallways and transitions feel — culture shows up between classes, not just in them.
  • Ask how the school communicates with families when a child starts to struggle.
  • Ask what a typical day looks like for a new student in the first few weeks.

How every group of students does here

At Northgate High in Walnut Creek, 72.3% of low-income students met or exceeded the ELA standard in 2025, compared to 31.7% district-wide and 38.2% statewide. Northgate High outperforms its district average for low-income students by 40.6 percentage points in ELA. Other subgroups: Low-Income students (38.8% Math proficient); White students (73.1% ELA proficient). The largest proficiency gap is 42.1 percentage points for disabilities students. Data source: California Department of Education, CAASPP 2024-25. 85 students tested.

All students at this school: 62% met or exceeded
All StudentsAll Students: this school 62%, district —, state 36%62%
MaleMale: this school 58%, district 43%, state 42%58% · −5 vs school
FemaleFemale: this school 68%, district 44%, state 44%68% · +6 vs school
WhiteWhite: this school 61%, district 60%, state 56%61% · −2 vs school
Socioeconomically DisadvantagedSocioeconomically Disadvantaged: this school 56%, district 27%, state 32%56% · −7 vs school
Two or More RacesTwo or More Races: this school 69%, district 54%, state 56%69% · +7 vs school
Hispanic/LatinoHispanic/Latino: this school 47%, district 26%, state 32%47% · −15 vs school
AsianAsian: this school 78%, district 59%, state 72%78% · +15 vs school
Students with DisabilitiesStudents with Disabilities: this school 21%, district 17%, state 15%21% · −41 vs school
FilipinoFilipino: this school 64%, district 60%, state 65%64% · +1 vs school
English LearnersEnglish Learners: too few students to report‹11
Black/African AmericanBlack/African American: too few students to report‹11
HomelessHomeless: too few students to report‹11
Military-ConnectedMilitary-Connected: too few students to report‹11
this school district, same group California, same group

Showing up, and staying in class

Chronic absenteeismChronic absenteeism: this school 13.8%, district 22.3%, state 30.2%13.8% · −16.4pp vs state
Suspension rateSuspension rate: this school 2.2%, district —, state 3.6%2.2% · −1.5pp vs state
Chronic absenteeism by grade band
Grades 9–1213.0%

Where the path goes

The path below follows attendance boundaries — scores shown for each next step.

K-12 Feeder Path

Feeder patterns derived from NCES attendance boundary data. Boundaries are approximate and may have changed — verify with your school district for current assignments.

The people teaching here

Context — never part of the Scope Score
Student : teacherStudent to teacher ratio: this school 23:1, district 24:123:1
Teaching staff73 teachers
Avg. experience14.9 years
Fully credentialed91%
First-year teachers5%
Salary Schedule
Teacher salary schedule$65,422 – $120,624
Principal salary$151,493 – $174,392
Superintendent salary$305,000

Pay is set by the district, not the school.

Course Breadth
AP courses offered36
AP exam qualifiers219 students
CTE pathway completers24 students

What gets spent here

Per-pupil spendingPer-pupil spending: $409, CA average $14,815$409 · spent at this school

These measure different things: this figure is spending attributed to this campus, while district-wide figures also include central administration, districtwide programs, and the state's pension contributions made on the district's behalf — costs that never get assigned to a single school. The district number runs higher at nearly every school, not just this one.

Federal share$237 per student

$237 per student arrives as federal Title funding — a measure of concentrated need, not school quality.

District current expense · FY 2024–25$19,016 per student

The district's current expense of education per student, from CDE's annual SACS filing — the freshest district spending figure the state publishes.

Where the district's dollars go · FY 2024–25 · CDE SACS
Instruction62%
Instruction support11%
Student services10%
Administration6%
Buildings & maintenance10%
Other1%

District-level, from the district's own SACS general-ledger filing — school-by-school breakdowns aren't published by the state.

district detail, 2016–2020 — the newest published
2020$11,965 per pupil
2019$12,119 per pupil
2018$13,284 per pupil
2017$12,803 per pupil
2016$12,073 per pupil

Source: NCES F-33 · Full district breakdown →

The neighborhood it serves

White46.1%
District 27.3% · CA 19.9%
Other23.5%
District 17.3% · CA 9.0%
Hispanic16.6%
District 42.5% · CA 56.1%
Asian12.3%
District 9.6% · CA 10.2%
Black1.5%
District 3.3% · CA 4.8%
Low IncomeFree/reduced lunch eligible 22.4% (41pp below CA avg)
Neighborhood — American Community Survey
Median income$186K · CA $85K
Median home value$1.34M · CA $659K
Bachelor's degree+74% · CA 35%
ZIP population27,206
Median age46 years

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2024) · ZIP-level

Worth Knowing

On the state's science test (CAST), 54% met or exceeded the standard — science is tested in grades 5 and 8 but never enters the Scope Score.

Frequently asked questions

Is Northgate High a good high school?

Northgate High has a Scope Score of 67 out of 100, placing it in the 92nd percentile of California high schools and ranked #172 statewide. 37.9% of students exceeded the state standard on the 2025 CAASPP assessment, which is 22.0 percentage points above the California average of 15.8%. The Scope Score weights 7 dimensions for high schools: graduation rate (25%), exceeded standard (22%), college/career readiness (20%), met or exceeded (proficient) (18%), chronic absenteeism (5%), suspension rate (5%), and ELPAC English Learner proficiency (5%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.

What are Northgate High's CAASPP test scores?

On the 2025 CAASPP Smarter Balanced Assessment, 62.3% of students at Northgate High met or exceeded the state standard in ELA and Math combined, and 37.9% exceeded it. The gap between those numbers matters: 24.4% of students are at the proficiency floor, while 37.9% pushed past it. Most rating sites report only the combined "proficient" number. SchoolScope surfaces the exceeded-vs-met split because it reveals whether a school's curriculum challenges students beyond minimum proficiency or paces toward it. 708 student-subject combinations were assessed.

How does Northgate High rank in California?

Northgate High ranks #172 among California high schools by Scope Score, placing it in the 92nd percentile. This ranking is based on a weighted composite of 2025 CAASPP test performance (exceeded and met rates), chronic absenteeism, and suspension rate. Unlike single-number ratings, the Scope Score shows what drives the ranking so parents can decide what matters most to their family. See full methodology.

What is the attendance and school culture like at Northgate High?

13.8% of students at Northgate High are chronically absent (missing 10% or more of school days), which is better than the California average of 30.2%. The suspension rate is 2.2%. SchoolScope includes these culture metrics in the Scope Score because they reflect day-to-day school experience in ways test scores alone cannot.

How does Northgate High compare to other schools in Walnut Creek?

Northgate High scores 67/100 (92nd percentile) among California high schools. To compare with nearby schools, SchoolScope shows the same metrics side by side: exceeded rate, proficiency, growth trajectory, and school culture indicators. The school serves 1,546 students. Use the schools in Walnut Creek page or the map view to compare all high schools nearby.

How does Northgate High serve low-income and underrepresented students?

At Northgate High in Walnut Creek, 72.3% of low-income students met or exceeded the ELA standard in 2025, compared to 31.7% district-wide and 38.2% statewide. Northgate High outperforms its district average for low-income students by 40.6 percentage points in ELA. Other subgroups: Low-Income students (38.8% Math proficient); White students (73.1% ELA proficient). The largest proficiency gap is 42.1 percentage points for disabilities students. Data source: California Department of Education, CAASPP 2024-25. 85 students tested. SchoolScope shows disaggregated test scores by demographic subgroup so you can see how a school performs for your child's specific group — not just the school-wide average. Subgroup data is context, not part of the Scope Score: we don't penalize schools for who they serve. See our equity approach.

Your other options

Private alternatives nearby

Private schools within ~10 miles. These schools do not participate in state testing and cannot be scored or ranked.


For the data nerds

Every number on this page

Score factors, grade-level breakdowns, subgroup proficiency, and peer comparisons.

01Score factorsWeighted composite · 2024–25
Graduation rate · 25%
98.7%
↑ vs CA 87.6% · 63th pctile
Exceeded standard · 22%
37.9%
↑ vs CA 15.8% · 74th pctile
College readiness · 20%
73.7%
↑ vs CA 35.4% · 72th pctile
Met or exceeded · 18%
62.3%
↑ vs CA 35.7% · 69th pctile
Chronic absenteeism · 5%
13.8%
↑ vs CA 30.2% · 63th pctile
Suspension rate · 5%
2.2%
↑ vs CA 3.6% · 57th pctile
EL proficiency (ELPAC) · 5%
20.0%
↑ vs CA 18.0% · 56th pctile
02By grade & subgroupCAASPP 2024–25 · % of tested students
ELATestedEXCMETNEARNOTMET++/CA
Grade 1135346%27%14%12%74%+26
MathTestedEXCMETNEARNOTMET++/CA
Grade 1135529%22%22%27%51%+28
Science (CAST)TestedEXCMETNEARNOT
Grade 5/8/1136318%35%42%4%

CAST is tested in grades 5, 8, and once in high school — not annually. Not part of the Scope Score.

Subgroup · ELATestedMET+vs districtvs CA
Socioeconomically Disadvantaged8572.3%+41+34
White14673.1%+9+11
Two or More Races7181.7%+22+20
03Peer comparison · nearest high schoolssorted by Scope Score
SchoolDistScopeEXCMET+GrowthSusp
Northgate High ←6737.9%62.3%2.2%
Ygnacio Valley High2 mi315.7%20.5%6.5%
California average4415.8%35.7%3.6%
04More measurescontext · not all part of the Scope Score
Graduation Rate
98.7%
AP Exam Prepared
73.7%
A-G Completion
66.6%
A-G are the 15 courses (across 7 subjects) required for UC/CSU eligibility
College-Going Rate
88.5%
YearScopePctileRankExcMet+AbsentSuspGrowth
20197395#10341.5%71.3%7.5%3.0%
20227296#8443.5%72.8%16.0%2.0%
20237095#10843.1%67.1%15.4%4.0%
20246894#13336.8%66.8%17.5%4.1%
20256792#17237.9%62.3%13.8%2.2%
NO STATEWIDE TESTING 2020–21 (COVID) · SCORE AND PERCENTILE ARE RELATIVE TO EACH YEAR'S FIELD
05Climate by student groupchronic absenteeism · 2019 vs 2025 — the two years CDE publishes at subgroup level
Group20192025Δ
Female7.3%13.7%+6.4pp
Male6.0%12.4%+6.4pp
Asian5.3%7.3%+2.0pp
Black/African American0.0%0.0%+0.0pp
White1.4%11.4%+10.0pp
Hispanic/Latino11.6%17.0%+5.4pp
Two or More Races6.8%15.8%+9.0pp
Students with Disabilities11.7%26.4%+14.7pp
English Learners7.7%20.7%+13.0pp
Socioeconomically Disadvantaged12.5%18.4%+5.9pp
All Students6.7%13.0%+6.3pp
Filipino8.9%
EXC = exceeded standard · MET+ = met or exceeded ("proficient") · Source: CA Dept. of Education · CAASPP 2024–25 · n=2,160 high schools · Vintages: climate subgroups 2019+2025 · district finance per its label · ACS 2022 · Data updated 2026-07-03methodology · data updates · CSV · report issue

SchoolScope scores and verdicts are our interpretation of public California Department of Education data — independent analysis, not an official rating. How we analyze · Request a correction