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#4916 of 9,539 schools in CA

Concord High

High School · Mt. Diablo Unified · Concord, CA

A Mt. Diablo Unified high school where students score 20 points below what's typical for similar communities.

4200 Concord Blvd., Concord, CA 94521

  • Math 17% vs CA 32% (2024)
  • Reading 45% vs CA 52% (2024)
  • 94.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress6.1Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-1.43 pts/yr
Data Period2009–2024
TrendDeclining
Academics4.6Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency16.6% (2024 CAASPP)
Reading/ELA Proficiency44.9% (2024 CAASPP)
Math vs. State Avg-11.4 pts
Reading vs. State Avg-11 pts
Overall Proficiency31% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)51% (model expectation from 2024 CAASPP)
vs. Expected-19.8 pts
Adjusted Percentile27th
College Readiness6.7Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate94%
AP Participation18%
IB ProgramNo
Resources & Environment8.2Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio18.3:1
District spending per student$15,421
Chronic Absenteeism27.2%

Students at Concord High score 31% proficient, which is below what's typical for similar communities (expected: 51%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency17%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency45%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 12 points since 2019, to 31% in 2024, across a 16-year record (2009–2024).

Show all 14 years
2009
Math
49%
ELA
56%
2010
Math
45%
ELA
47%
2011
Math
48%
ELA
50%
2012
Math
54%
ELA
51%
2013
Math
56%
ELA
52%
2014
Math
34%
ELA
50%
2015
Math
27%
ELA
51%
2016
Math
27%
ELA
51%
2017
Math
30%
ELA
50%
2018
Math
29%
ELA
56%
2019
Math
29%
ELA
56%
2020*
Math
27%
ELA
37%
2021*
Math
27%
ELA
37%
2024
Math
17%
ELA
45%

Multi-year averages used by the rating model: math 34% (multi-year average, 2009-2024) · reading/ELA 49% (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 score

Free/reduced lunch

42.3%

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 rate

The neighborhood

Where Concord 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 33Car-Dependent
  • Transit 21Minimal Transit
  • Bike 68Bikeable
  • City Safety: High3,431/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Concord), 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

$127,312

Median home value

$823,100

Median rent

$2,388/mo

College educated

44%

Homeownership

73.3%

Poverty rate

5.6%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94521; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs2AP courses offered
18% participation·State avg: 2.6 AP courses·CRDC via Urban Institute · SY 2021–22
Athletics25sports offered
12 boys'·13 girls'·38 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Calvary ChristianPrivate · tuition6.1private1–121.5 mi69Compare →
Crossroads HighEnrollment path unverifiedNot rated7–122.1 mi18Compare →
Clayton Valley Charter HighCharter · enrollment unverified7.69–122.2 mi2,390Compare →
Olympic Continuation HighEnrollment path unverified5.99–122.2 mi240Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

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
#10 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

Concord High is listed in Mt. Diablo Unified; a district label does not verify attendance for an address.

About Concord High

Concord High is a public high school in Concord, CA, part of Mt. Diablo Unified, serving approximately 1,118 students in grades 9th-12th with a 18.3:1 student-teacher ratio. It holds a MySchoolScout rating of 6.3 out of 10 and ranks #4,916 of 9,539 schools in CA.

State assessment records show 34% math proficiency (multi-year average, 2009-2024) and 49% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Concord High

What grades does Concord High serve?

Concord High serves students in grades 9th through 12th.

How many students attend Concord High?

Concord High has an enrollment of approximately 1,118 students.

What is the student-teacher ratio at Concord High?

The student-teacher ratio at Concord High is 18.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Concord High rank in CA?

Concord High ranks #4,916 of 9,539 schools in CA.

What is Concord High's MySchoolScout rating?

Concord High has a current MySchoolScout rating of 6.3 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 Concord High?

Based on loaded state assessment records, Concord High has 34% math proficiency (multi-year average, 2009-2024) and 49% reading/ELA proficiency (multi-year average, 2009-2024).

Is Concord High a charter school?

No, Concord High is not a charter school. It is a traditional public school operated by the local school district.

Is Concord High a Title I school?

No, Concord High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Concord High?

42.3% of students at Concord 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
1,118
Student-Teacher Ratio
18.3:1
Teachers (FTE)
61
Type
regular
Setting
Large Suburb
County
Contra Costa County
Chronic Absenteeism (SY 2022-23)
27.2%
4-Year Graduation
94.0%
Area population (ZIP 94521)
41,118
Area average commute
32.5 min
Area median age
43
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 94521; 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

About our data · How we calculate scores

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