Mt. Diablo Elementary School
Elementary school in Clayton, CA · Mt. Diablo Unified · Grades K-5
On the spring 2026 state tests, 70% of Mt. Diablo Elementary School students met or exceeded California's reading (ELA) standard and 69% met the math standard. In reading, that is 22 points above the Mt. Diablo Unified average (49%) and 21 points above the California average (49%). Its reading result is higher than 76% of Bay Area elementary schools. Reading results in 2026 were about the same as in 2024, and math results were about the same as in 2024.
Test scores, 2024 to 2026
| Subject | Spring 2024 | Spring 2025 | Spring 2026 | Change |
|---|---|---|---|---|
| Reading (ELA) | 69% | 71% | 70% | +1 pt |
| Math | 69% | 68% | 69% | 0 pts |
Compared with nearby averages
| Spring 2026 | Reading (ELA) | Math |
|---|---|---|
| Mt. Diablo Elementary School | 70% | 69% |
| Mt. Diablo Unified | 49% | 39% |
| Contra Costa County | 52% | 43% |
| California | 49% | 38% |
Results by grade, spring 2026
| Grade | Reading (ELA) | Math |
|---|---|---|
| 3rd grade | 61% | 66% |
| 4th grade | 78% | 81% |
| 5th grade | 71% | 60% |
Students are tested in grades 3 to 8 and 11. Each grade is a different group of students, so differences between grades are not a trend.
Homes near Mt. Diablo Elementary School
The typical home value in ZIP code 94517, where Mt. Diablo Elementary School is located, is $1.03M, up 1.8% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Zillow and Redfin can both search for homes inside a school’s attendance zone and email you new listings. Search for the school by name on either site and save the search.
Nearby elementary schools
| Distance | School | Reading (ELA) | Math | Typical home value (ZIP) |
|---|---|---|---|---|
| 0.9 mi | Highlands ElementaryConcord · Grades K-5 | 50% | 47% | $772K |
| 2.0 mi | Ayers ElementaryConcord · Grades K-5 | 40% | 38% | $772K |
| 2.2 mi | Silverwood ElementaryConcord · Grades K-5 | 55% | 54% | $772K |
| 2.8 mi | Mountain View ElementaryConcord · Grades K-5 | 39% | 38% | $772K |
| 3.7 mi | Westwood ElementaryConcord · Grades K-5 | 41% | 28% | $772K |
| 4.1 mi | Valle Verde ElementaryWalnut Creek · Grades K-5 | 70% | 71% | $1.37M |
School details
- Address
- 5880 Mount Zion Drive, Clayton, CA 94517
Get directions · See it on our map - Phone
- (925) 672-4840
- District
- Mt. Diablo Unified
- County
- Contra Costa County
- Grades
- K-5
- Students
- 755 (2025-26)
- Type
- Elementary school · Traditional
- Website
- mtdiabloelementary.mdusd.org
- State school code
- 07617546004188
Common questions
How did Mt. Diablo Elementary School do on state tests?
In spring 2026, 70% of students met or exceeded the reading (ELA) standard and 69% met the math standard, compared with 49% and 38% across California.
How many students attend Mt. Diablo Elementary School?
755 students were enrolled in the 2025-26 school year, in grades K-5.
How much do homes cost near Mt. Diablo Elementary School?
The typical home value in ZIP code 94517, where Mt. Diablo Elementary School is located, is $1.03M, up 1.8% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Does living near Mt. Diablo Elementary School guarantee a spot?
No. Public schools assign students by attendance zone, which Mt. Diablo Unified sets and can change. Confirm the zone for a specific address with the district before you buy or rent.