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SCHOOL COMMUNITY·MT. DIABLO UNIFIED·NCES 062637003942

Concord High

4200 Concord Blvd., Concord, CA 94521 · (925) 687-2030 · Contra Costa County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,137 STUDENTS
Enrollment
1,137
High
DISTRICT 824 · STATE 838
Student : Teacher
19.5:1
58 FTE teachers
DISTRICT 16.2:1 · STATE 18.2:1
Free / Reduced Lunch
70%
791 students
DISTRICT 56% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 929526%
Grade 1030727%
Grade 1126023%
Grade 1227524%
Student demographics
61%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 71% · STATE 62% · US 70%
White
21919%
DISTRICT 27% · STATE 20% · US 43%
Hispanic
65658%
DISTRICT 42% · STATE 56% · US 30%
Black
303%
DISTRICT 3% · STATE 5% · US 15%
Asian
11410%
DISTRICT 14% · STATE 12% · US 6%
Two+
1039%
DISTRICT 12% · STATE 6% · US 5%
Native American
50%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
50%
DISTRICT 1% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
55249%
Female
58051%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
43.2%
CA avg 49.1% . -6.8pp since 2014
Math
17.0%
CA avg 37.7% . -17.0pp since 2014

What this means: On the CAASPP, California's statewide test, about 43 of every 100 students at this school read and write at grade level and about 17 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 7 points since 2014, while math scores are down about 17 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts15.0%28.2%33.3%23.5%
Math5.7%11.3%23.0%60.0%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2543.2%17.0%
2023-2444.9%16.6%
2022-2346.4%11.2%
2021-2248.8%15.3%
2020-2139.0%27.3%
2018-1955.6%28.8%
2017-1850.8%30.2%
2016-1751.7%27.4%
2015-1652.0%27.0%
2014-1550.0%34.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
30.4%
composite math + reading, all grades
Predicted
38.8%
based on CA schools with similar FRL share
Beats by
-8.4pp
below demographic expectation

What this means: About 30% of students here test proficient in math and reading, compared with the roughly 39% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Concord High

Concord High's state test result (30.4% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Concord High this school1,13769.6%30.4%
Yuba City High
Yuba City
1,67871.2%36.5%
Valley Academy of Arts and Sciences
Granada Hills
75772.4%43.4%
Del Lago Academy - Campus of Applied Science
Escondido
76572.8%51.5%
John Marshall Senior High
Los Angeles
1,84271.2%53.8%
Pioneer High
Woodland
1,58271.1%36.4%
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Concord High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Contra Costa County
State test proficiency
ranked highest first
30.4%#787 of 1,052#21 of 28
Math proficiency
ranked highest first
17.0%#775 of 1,056
▼ 66
#21 of 28
▼ 2
Reading proficiency
ranked highest first
43.2%#837 of 1,056
▼ 61
#21 of 28
no change
3-year test score change
ranked biggest drop first
-2.0pp#254 of 1,044#9 of 28
Enrollment
ranked largest first
1,137#714 of 2,093#22 of 54
Students per teacher
ranked fewest first
19.5:1#482 of 1,352#12 of 41
Diversity index
ranked most diverse first
60.8%#390 of 1,351#22 of 41
Free and reduced lunch
ranked highest share first
69.6%#880 of 1,575#21 of 45
Enrollment change since 2017-18
ranked steepest decline first
-23.3%#125 of 802#5 of 27
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,137
-50 (-4%) vs 2020
-21% since 1990-91, when it was 1,433
Student : Teacher
19.5:1
was 20.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,13758.319.5:170% (791)
2023-241,11861.318.3:142% (473)
2022-231,16761.918.9:138% (438)
2020-211,1875820.5:147% (558)
2017-181,4827420.0:149% (732)
2015-161,5557321.3:147% (730)
2010-111,567N/AN/A26% (412)
2000-011,5077420.4:115% (224)
1990-911,4336223.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Concord High.

Since 2017-18: students down 23% (1,482 to 1,137); teachers down 21% (74 to 58.3).

About Concord High

This page covers Concord High, a medium-sized high school in Concord, California. The school reports 1,137 students in grades 9 through 12. The typical figure for high schools in California is about 838 students.

Mt. Diablo Unified oversees Concord High and 49 other schools, with 29,210 students in total.

Hispanic students are the majority at Concord High, with 58% of enrollment. Other groups make up 19% White, 10% Asian, 9% multiracial, and 3% Black. Contra Costa County as a whole is about 28% Hispanic, so the school's share is higher. The school's diversity index is 61%, meaning two students picked at random have a 61% chance of belonging to different racial or ethnic groups.

The school employs the equivalent of 58.3 full-time teachers, for a ratio of 19.5:1. That is 1.3 students per teacher above the 18.2:1 average for high schools in California. The free or reduced-price lunch rate at Concord High is 70%. Public schools in Contra Costa County average 45%.

The BeatsExpectations prediction for Concord High is 38.8%, and its average proficiency rate on state tests is 30.4%.

Census estimates describe Contra Costa County this way: the median household income is $127,229, 45% of adults hold a bachelor's degree or higher, and about 6% of residents live below the federal poverty line. Besides Concord High, Contra Costa County has 279 other public schools.

Of nearby public schools, El Dorado Middle is the closest, at about 0.2 miles. Concord High has at least 8 other public schools within five miles. The nearest schools with test data average 34.0%, higher than Concord High's 30.4%.

Locale: Suburb: Large. In NCES terms, the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment has fallen by 50 students since 2020-21, to 1,137.

Threads on this page can be about sports tryouts, band and choir, and theater. Anyone with firsthand experience at this school can post or comment.

Contra Costa County at a glance

View full county profile
Population
1,165,012
Census ACS
Median income
$127,229
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
280
167,423 students

Quick facts

School name
Concord High
District
Mt. Diablo Unified
Address
4200 Concord Blvd., Concord, CA 94521
Phone
(925) 687-2030
County
Contra Costa County
Level
High
Grade range
09–12
Total enrollment
1,137
Teachers (FTE)
58
Student–teacher ratio
19.5:1
Free and reduced lunch
791 (70%)
Locale
21-Suburb: Large
NCES ID
062637003942
Charter school
No
Virtual school
No

Related schools

Other schools in Mt. Diablo Unified
Other schools in Concord
Other Concord High schools

6 other US public schools in 7 states are named Concord High. Concord High is the 2nd largest of the 7.

Nearby schools

Frequently asked questions

About Concord High
How many students attend Concord High?
Concord High enrolls approximately 1,137 students in grades 09-12.
Is Concord High an elementary, middle, or high school?
Concord High is a high school covering grades 09-12.
How many teachers does Concord High have?
Concord High employs 58 FTE teachers, for a student-to-teacher ratio of 19.5:1.
How diverse is Concord High?
Concord High reports a student body of 19% White, 58% Hispanic, 3% Black, 10% Asian, 9% Two or more.
What district is Concord High in?
Concord High is part of Mt. Diablo Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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Concord High · Reviews, news, discussion (Concord, CA) · allk12