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#5481 of 9,539 schools in CA

Mt. Diablo Elementary

Elementary School · Mt. Diablo Unified

5880 Mt. Zion Dr., Clayton, CA 94517

Enrollment

738

Student-Teacher

29.5:1

Score

6.0

Grades

Kindergarten – 5th

Data vintage2022-23

How this school compares

California schools

#5,481 of 9,539

In Clayton

#2 of 2

public schools

In district

#15 of 47

Mt. Diablo Unified

Equity

8.7 / 10

Excellent

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Mt. Diablo Elementary

6.0/10

Elementary School in Clayton · grades Kindergarten – 5th. Start here, then compare fit against nearby and district options.

Pine Hollow Middle

5.6/10

0.8 mi away. Use as a geographic alternative in the same move search.

Highlands Elementary

5.7/10

1.0 mi away. Use as a geographic alternative in the same move search.

About Mt. Diablo Elementary

Mt. Diablo Elementary is a public elementary school in Clayton, CA, part of Mt. Diablo Unified.

Mt. Diablo Elementary serves approximately 738 students, and covers grades Kindergarten-5th, and has a 29.5:1 student-teacher ratio. Mt.

Diablo Elementary has a current MySchoolScout rating of 6.0 out of 10 and ranks #5,481 of 9,539 schools in CA. Structured state assessment records for Mt. Diablo Elementary show 69% math proficiency (multi-year average, 2009-2024) and 73% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares1.6 pts above district
  • This school 6.0 · Average
  • District avg 4.4
  • CA avg 6.2

What Parents Should Know

Mt. Diablo Elementary runs 29.5:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress6.5Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-1.31 pts/yr
Data Period2009–2024
TrendDeclining
Academics8.2Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency69% (2024 CAASPP)
Reading/ELA Proficiency69% (2024 CAASPP)
Math vs. State Avg+23.3 pts
Reading vs. State Avg+26.2 pts
Overall Proficiency69% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)70% (model expectation from 2024 CAASPP)
vs. Expected-0.7 pts
Adjusted Percentile72th
Resources & Environment1.4Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio29.5:1
Per-Pupil Spending$15,421

Mt. Diablo Elementary — Students at Mt. Diablo Elementary score 69% proficient, which is below what's typical for similar communities (expected: 70%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

8.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 69.2% (multi-year average, 2009-2024)
School
State
39.4% (2024 CAASPP)
ELA Proficiency 73.2% (multi-year average, 2009-2024)
School
State
45.3% (2024 CAASPP)

Based on 36 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
81%
ELA
82%
2010
Math
79%
ELA
78%
2011
Math
88%
ELA
85%
2012
Math
89%
ELA
84%
2013
Math
75%
ELA
75%
2014
Math
63%
ELA
69%
2015
Math
64%
ELA
73%
2016
Math
61%
ELA
72%
2017
Math
63%
ELA
76%
2018
Math
63%
ELA
72%
2019
Math
63%
ELA
72%
2020*
Math
58%
ELA
67%
2021*
Math
58%
ELA
67%
2022
Math
63%
ELA
68.3%
2024
Math
69.2%
ELA
69.2%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 6.5/10.

How Mt. Diablo Elementary Compares

See how Mt. Diablo Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
6.0/10
43th percentile in CA
Academic
8.2/10
Excellent
Growth
6.5/10
Average
Environment
1.4/10
Needs Improvement

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
8%
Teaching Staff
30:1 student-teacher ratio
25 teachers

Location

5880 Mt. Zion Dr., Clayton, CA 94517

Nearby Alternatives

Families considering Mt. Diablo Elementary may also want to explore other elementary schools in the area. KINGS VALLEY CHRISTIAN SCHOOL (rated 6.5/10, 3.5 miles away, in nearby Concord), which scores slightly higher. Another option is Highlands Elementary (rated 5.7/10, 1.0 miles away, in nearby Concord), with a very similar rating. Additionally, Silverwood Elementary (rated 5.5/10, 2.3 miles away, in nearby Concord), with a comparable rating. For more schools in Clayton, see our Clayton schools guide .

Nearby Schools

20 within 3.7 mi
School Distance Rating
Pine Hollow Middle Concord 0.8 mi 5.6
Highlands Elementary Concord 1.0 mi 5.7
Hope Academy for Dyslexics Concord 1.3 mi
HOPE ACADEMY FOR DYSLEXICS Concord 1.3 mi 6.5
Diablo View Middle Clayton 1.2 mi 7.0
Clayton Valley Charter High Concord 1.7 mi 7.6
Ayers Elementary Concord 2.0 mi 5.1
MYRTLE FARM MONTESSORI SCHOOL Concord 2.2 mi
Voyager Academy Concord 2.3 mi
STEP BY STEP MONTESSORI SCHOOL Concord 2.2 mi
Silverwood Elementary Concord 2.3 mi 5.5
ANGELS MONTESSORI PRESCHOOL Concord 2.6 mi
Mountain View Elementary Concord 3.0 mi 4.9
Tabernacle Christian, Inc. Concord 3.4 mi
TABERNACLE CHRISTIAN SCHOOLS, INC. Concord 3.4 mi 5.4
WOOD ROSE ACADEMY Concord 3.3 mi 4.8
Wood Rose Academy Concord 3.3 mi
King's Valley Christian School Concord 3.4 mi
KINGS VALLEY CHRISTIAN SCHOOL Concord 3.5 mi 6.5
Concord High Concord 3.7 mi 6.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94517 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$164,860

Median Home Value

$995,600

Median Rent

$3,501/mo

Population

12,164

College Educated

57.7%

Homeownership

90.1%

Avg Commute

39.7 min

Poverty Rate

4.2%

Median Age

43.9

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Adam (William Laird) Elementary Santa Maria, CA 6.0
Alpha Elementary Madera, CA 6.0
Art Freiler Tracy, CA 6.0
Bon View Elementary Ontario, CA 6.0
Bryn Mawr Elementary Loma Linda, CA 6.0
Cabrillo Elementary Pacifica, CA 6.0

Frequently Asked Questions

Common questions about Mt. Diablo Elementary

What grades does Mt. Diablo Elementary serve?

Mt. Diablo Elementary serves students in grades Kindergarten through 5th.

How many students attend Mt. Diablo Elementary?

Mt. Diablo Elementary has an enrollment of approximately 738 students.

What is the student-teacher ratio at Mt. Diablo Elementary?

The student-teacher ratio at Mt. Diablo Elementary is 29.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mt. Diablo Elementary rank in CA?

Mt. Diablo Elementary ranks #5,481 of 9,539 schools in CA.

What is Mt. Diablo Elementary's MySchoolScout rating?

Mt. Diablo Elementary has a current MySchoolScout rating of 6.0 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 Mt. Diablo Elementary?

Based on loaded state assessment records, Mt. Diablo Elementary has 69% math proficiency (multi-year average, 2009-2024) and 73% reading/ELA proficiency (multi-year average, 2009-2024).

Is Mt. Diablo Elementary a charter school?

No, Mt. Diablo Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Mt. Diablo Elementary a Title I school?

No, Mt. Diablo Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mt. Diablo Elementary?

8.4% of students at Mt. Diablo Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
48 Car-Dependent
Bike Score
43 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 5th
Enrollment
738
Student-Teacher Ratio
29.5:1
Teachers (FTE)
25
Free/Reduced Lunch
8.4%
Type
regular
Setting
Large Suburb
County
Contra Costa County

District

Mt. Diablo Unified
District Enrollment
29,356
Schools in District
52
Per-Pupil Spending
$15,421
District Rank
#15 of 47

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