Below Average
#8112 of 9,539 schools in CA
EL Dorado Middle
Middle School · Mt. Diablo Unified · Concord, CA
A Mt. Diablo Unified middle school where students score 14 points below what's typical for similar communities.
1750 West St., Concord, CA 94521
- Math 10% vs CA 34% (2024)
- Reading 23% vs CA 47% (2024)
- 23.9:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at EL Dorado Middle score 17% proficient, which is below what's typical for similar communities (expected: 31%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is down 18 points across the 16-year record (2009–2024) and has held near 17% recently.
Show all 14 years
Multi-year averages used by the rating model: math 15% (multi-year average, 2009-2024) · reading/ELA 30% (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 34 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
76.9%
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 EL Dorado Middle 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 44Car-Dependent
- Transit 22Minimal Transit
- Bike 70Very Bikeable
- City Safety: High3,431/100K
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.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Calvary ChristianPrivate · tuition | 6.1 | 1–12 | 1.3 mi | 69 | Compare → |
| Hope Academy for DyslexicsPrivate · tuition | 6.5 | 3–8 | 2.5 mi | 56 | Compare → |
| De La Salle AcademyPrivate · tuition | 6.6 | 5–8 | 3.1 mi | 67 | Compare → |
| De La Salle Academy, Inc.Private · tuition | Not rated | 6–8 | 3.1 mi | 50 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Mt. Diablo Unified
- Schools in district
- 52
- Rank in district
- #32 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
EL Dorado Middle is listed in Mt. Diablo Unified; a district label does not verify attendance for an address.
About EL Dorado Middle
EL Dorado Middle is a public middle school in Concord, CA, part of Mt. Diablo Unified, serving approximately 811 students in grades 6th-8th with a 23.9:1 student-teacher ratio. It holds a MySchoolScout rating of 4.4 out of 10 and ranks #8,112 of 9,539 schools in CA.
State assessment records show 15% math proficiency (multi-year average, 2009-2024) and 30% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about EL Dorado Middle
What grades does EL Dorado Middle serve?
EL Dorado Middle serves students in grades 6th through 8th.
How many students attend EL Dorado Middle?
EL Dorado Middle has an enrollment of approximately 811 students.
What is the student-teacher ratio at EL Dorado Middle?
The student-teacher ratio at EL Dorado Middle is 23.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does EL Dorado Middle rank in CA?
EL Dorado Middle ranks #8,112 of 9,539 schools in CA.
What is EL Dorado Middle's MySchoolScout rating?
EL Dorado Middle has a current MySchoolScout rating of 4.4 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 EL Dorado Middle?
Based on loaded state assessment records, EL Dorado Middle has 15% math proficiency (multi-year average, 2009-2024) and 30% reading/ELA proficiency (multi-year average, 2009-2024).
Is EL Dorado Middle a charter school?
No, EL Dorado Middle is not a charter school. It is a traditional public school operated by the local school district.
Is EL Dorado Middle a Title I school?
No, EL Dorado Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for EL Dorado Middle?
76.9% of students at EL Dorado Middle 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
- 6th – 8th
- Enrollment
- 811
- Student-Teacher Ratio
- 23.9:1
- Teachers (FTE)
- 34
- Type
- regular
- Setting
- Large Suburb
- County
- Contra Costa County
- Chronic Absenteeism (SY 2022-23)
- 24.8%
- Phone
- (925) 682-5700
- 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.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
Related reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.