Very Good
#3127 of 9,533 schools in CA
Top 33% in state
Mt. Diablo Elementary
Elementary School · Mt. Diablo Unified
5880 Mt. Zion Dr., Clayton, CA 94517
Enrollment
738
Student-Teacher
29.5:1
Score
7.1
Grades
Kindergarten – 5th
Enrollment
738
Student-Teacher
29.5:1
Score
7.1
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Clayton
#2 of 2
public schools
California elementary schools
#2,080 of 5,817
In district
#9 of 47
Mt. Diablo Unified
Academic growth
8.7 / 10
Exceptional
About Mt. Diablo Elementary
Mt. Diablo Elementary serves 738 students in grades kindergarten through fifth in Clayton, California, earning a solid 7.4 out of 10 rating from MySchoolScout. The school ranks in the 78th percentile statewide, placing #2089 out of 9566 California elementary schools, with particularly strong academic performance reflected in its 9.1 out of 10 academic score.
Students consistently perform well on standardized assessments, with 69% achieving proficiency or above in both English Language Arts and mathematics across all grade levels. The school operates with 25 full-time equivalent teachers, resulting in a student-teacher ratio of 29.5 to 1, which is higher than ideal but reflects the school's popularity and enrollment size. Mt.
Diablo Elementary benefits from its location in an affluent and educated community, where 57% of residents hold bachelor's degrees or higher and the median household income reaches $156,870. The low poverty rate of just 3% indicates strong community resources and family support systems that contribute to student success. Located on Mt.
Zion Drive in this large suburban area of Contra Costa County, the school serves a well-established neighborhood where families value education and community engagement, creating an environment conducive to academic achievement.
What Parents Should Know
The student-teacher ratio at Mt. Diablo Elementary is 29.5:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
Data not available for this school
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Mt. Diablo Elementary — Students at Mt. Diablo Elementary score 69% proficient, which is below what's typical for similar communities (expected: 71%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
8.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 12 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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: 8.7/10.
How Mt. Diablo Elementary Compares
See how Mt. Diablo Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 63% (2019) to 69.01% (2024). Reading/ELA proficiency has declined from 72% (2019) to 69.01% (2024).
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), with a comparable rating. Another option is Mountain View Elementary (rated 6.1/10, 3.0 miles away, in nearby Concord), with a comparable rating. Additionally, TABERNACLE CHRISTIAN SCHOOLS, INC. (rated 5.4/10, 3.4 miles away, in nearby Concord), a more accessible option. 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 | 5.3 |
| Highlands Elementary Concord | 1.0 mi | 4.8 |
| 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 | 7.2 |
| Clayton Valley Charter High Concord | 1.7 mi | 7.0 |
| Ayers Elementary Concord | 2.0 mi | 5.2 |
| 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 | 3.4 |
| ANGELS MONTESSORI PRESCHOOL Concord | 2.6 mi | — |
| Mountain View Elementary Concord | 3.0 mi | 6.1 |
| Tabernacle Christian, Inc. Concord | 3.4 mi | — |
| TABERNACLE CHRISTIAN SCHOOLS, INC. Concord | 3.4 mi | 5.4 |
| WOOD ROSE ACADEMY Concord | 3.3 mi | 4.9 |
| 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 | 5.0 |
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
Community Profile
The community surrounding Mt. Diablo Elementary has a median household income of $164,860. It is a well-educated community where 58% of adults hold a bachelor's degree or higher. The median home value in the area is $995,600, with a median rent of $3,501/month. The local poverty rate of 4.2% is relatively low. The average commute in the area is 40 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Adams Elementary Riverside, CA | 7.1 |
| Alpine Vista Tulare, CA | 7.1 |
| Ansel Adams Stockton, CA | 7.1 |
| Baldwin (Julia) Elementary San Jose, CA | 7.1 |
| Bassett Street Elementary Lake Balboa, CA | 7.1 |
| Bay Farm Alameda, CA | 7.1 |
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 is ranked #3127 out of 9,533 schools in CA.
What is Mt. Diablo Elementary's MySchoolScout rating?
Mt. Diablo Elementary has a composite rating of 7.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mt. Diablo Elementary?
Based on the most recent state assessment data, Mt. Diablo Elementary has 66.3% math proficiency and 69.3% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
- City Safety
- Average (591/100K)
FBI UCR 2024. City-level (Clayton). Data >1 year old.
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
- Phone
- (925) 672-4840
- Data Year
- 2023–2024
Resources & Links
District
Mt. Diablo Unified- District Enrollment
- 29,356
- Schools in District
- 52
- Per-Pupil Spending
- $15,421
- District Rank
- #9 of 47
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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