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A

Mt. Diablo Elementary

PublicElementaryGrades K–5

5880 Mt. Zion Dr., Clayton, CA 94517 · (925) 672-4840 · Part of Mount Diablo Unified School District

Clayton’s School Grade B better than 62% of California school districts

Directions
Students
739
Students per teacher
30:1
Free or reduced lunch
21%
Setting
Suburb
Grades
K–5
The gist

What stands out about Mt. Diablo Elementary

  • Its own letter, A: reading and math results near the top of California’s public schools
  • Math proficiency 24 pts above the state
  • Reading / language arts 18 pts above the state
  • Larger classes: 30 students per teacher
  • Next stop for Clayton kids: Diablo View Middle

On the path

Where Clayton kids come from and go next. The whole path →

K–5Mt. Diablo ElementaryYou are here
6–8Diablo View Middle514 students

Test scores

2020–21
Math proficiency58%
State average 33.6%
Reading / language arts67%
State average 48.6%

Its own letter, A, places these results among California’s 3,615 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

5880 Mt. Zion Dr., Clayton

Students

Enrollment by grade
Kindergarten150
Grade 1126
Grade 2119
Grade 3116
Grade 4114
Grade 5114
Enrollment over time
743’20
667’21
693’22
738’23
739’24

About steady since 2020–21.

Who goes here
White 52%Two or more races 18%Hispanic 17%Asian 12%Black <1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Mt. Diablo Elementary from Clayton families.

Other schools in Mount Diablo Unified School District

The district →
Hidden Valley Elementary
Elementary · Grades K–5 · Martinez
B+
831 students27:1
Meadow Homes Elementary
Elementary · Grades K–5 · Concord
D
732 students28:1
Valhalla Elementary
Elementary · Grades K–5 · Pleasant Hill
A−
721 students28:1
Walnut Acres Elementary
Elementary · Grades K–5 · Walnut Creek
A
689 students29:1
Bancroft Elementary
Elementary · Grades K–5 · Walnut Creek
A
672 students27:1
Delta View Elementary
Elementary · Grades K–5 · Pittsburg
B−
656 students27:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against California’s other public schools; Clayton’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.