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SCHOOL COMMUNITY·MT. DIABLO UNIFIED·NCES 062637003944

El Dorado Middle

1750 West St., Concord, CA 94521 · (925) 682-5700 · Contra Costa County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL861 STUDENTS
Enrollment
861
Middle
DISTRICT 747 · STATE 659
Student : Teacher
23.5:1
37 FTE teachers
DISTRICT 23.2:1 · STATE 20.7:1
Free / Reduced Lunch
75%
649 students
DISTRICT 56% · STATE 65%
Community
2
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
308
Grade 7
261
Grade 8
292
Student demographics
White
13916%
DISTRICT 27% · STATE 20%
Hispanic
48957%
DISTRICT 42% · STATE 56%
Black
243%
DISTRICT 3% · STATE 5%
Asian
9611%
DISTRICT 14% · STATE 12%
Two+
9111%
DISTRICT 12% · STATE 6%
Native American
10%
DISTRICT 0% · STATE 0%
Pacific Islander
212%
DISTRICT 1% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
43450%
Female
42750%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
23.0%
CA avg 47.1% . -3.0pp since 2014
Math
10.3%
CA avg 35.6% . -6.7pp since 2014
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of CA schools after controlling for student poverty
Actual proficiency
16.8%
composite math + reading, all grades
Predicted
34.6%
based on CA schools with similar FRL share
Beats by
-17.8pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
861
-22 (-2%) vs 2017
Student : Teacher
23.5:1
was 21.0:1
% White
16%
was 23%
% Hispanic
57%
was 57%
% Black
3%
was 4%
% Asian
11%
was 8%
Source: NCES Common Core of Data

About El Dorado Middle

El Dorado Middle, an average-sized intermediate school in Concord, California, one of the schools within Mt. Diablo Unified, teaches 861 students, covering grades 6 through 8. That puts it 31% above the typical public school in California, which averages around 659 students.

El Dorado Middle is one of 50 schools operated by Mt. Diablo Unified, a district that teaches 29,210 students overall.

For racial and ethnic makeup, El Dorado Middle shows that the largest single group is Hispanic, at 57% of enrollment. Beyond that, the school records 16% White, 11% Asian, 11% multiracial, 3% Black. The wider county runs roughly 28% Hispanic, putting the school's mix visibly more Hispanic than the area baseline.

On the income-and-resources front, The school reports having 37 full-time-equivalent teachers, for a student-teacher ratio near 23.5:1. The state averages around 20.7:1, so this campus is higher than the state norm typical. An estimated 75% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Contra Costa County (around 45%), the school's rate is meaningfully above typical.

On a demographically-adjusted basis, El Dorado Middle falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 34.6%; this one comes in at 16.8%, -17.8 points off the demographic line.

In the broader community, the surrounding county (Contra Costa County) shows that the typical household earns roughly $127,229 per year, about 45% of the adult population holds a bachelor's degree or above, and roughly 6% of residents live below the federal poverty line. In all, Contra Costa County runs 280 public schools (combined enrollment of about 167,423 students), of which El Dorado Middle is one.

Nearest neighbor: Westwood Elementary, around 0.1 miles off. Counting just inside five miles, 8 other public schools cluster around El Dorado Middle. On composite proficiency, El Dorado Middle comes 8th of 8 in the immediate cluster, behind the nearby-schools average of 35.9%.

El Dorado Middle operates from a residential location.

Five-year trend. El Dorado Middle's enrollment has stayed largely flat since 2018, when it stood at 883 (now 861). White enrollment moved from 23% to 16% across the same window. The student-to-teacher ratio rose from 21.0:1 in 2018 to 23.5:1 today.

Within the allk12 community for this school, members of the El Dorado Middle community share and discuss pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.

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
El Dorado Middle
District
Mt. Diablo Unified
Address
1750 West St., Concord, CA 94521
Phone
(925) 682-5700
County
Contra Costa County
Level
Middle
Grade range
06–08
Total enrollment
861
Teachers (FTE)
37
Student–teacher ratio
23.5:1
Free/Reduced lunch
649 (75%)
Locale
21-Suburb: Large
NCES ID
062637003944
Charter school
No
Virtual school
No

Related schools

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

Frequently asked questions

About El Dorado Middle
How many students attend El Dorado Middle?
El Dorado Middle enrolls approximately 861 students in grades 06-08.
What grades does El Dorado Middle serve?
El Dorado Middle serves grades 06-08.
How many students per teacher at El Dorado Middle?
Approximately 23.5:1 students per teacher at El Dorado Middle.
How diverse is El Dorado Middle?
El Dorado Middle reports a student body of 16% White, 57% Hispanic, 3% Black, 11% Asian, 11% Two or more.
Who oversees El Dorado Middle?
El Dorado Middle is overseen by Mt. Diablo Unified in Contra Costa County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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