Serving 739 students in grades Kindergarten-5, Mt. Diablo Elementary School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 66% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 67% (which is higher than the California state average of 47%).
The student-teacher ratio of 30:1 is higher than the California state level of 21:1.
Minority enrollment is 48% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (26-27)
- Grades: Kindergarten-5
- Enrollment: 739 students
- Student-Teacher Ratio: 30:1
- Minority Enrollment: 48%
- Overall Testing Rank: Top 20% in CA
- Math Proficiency: 66% (Top 10%)
- Reading Proficiency: 67% (Top 20%)
- Science Proficiency: 55-59% (Top 10%)
- Attendance Zone: Mt. Diablo Elementary serves the southeastern part of Clayton, CA, covering an attendance area of approximately 35.1 square miles. Families typically have a drive time of 10-12 minutes to the school, with the furthest edge of the zone located about 8.9 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Mt. Diablo Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Mt. Diablo Elementary School's student population of 739 students has stayed relatively flat over five school years.
The teacher population of 25 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
739 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
25 teachers
Showing 2014–2025. Full 39-year historical data available below ↓
School Calendar
School Rankings
Mt. Diablo Elementary School ranks within the top 20% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Mt. Diablo Elementary School is 0.66, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1135 out of 9523 schools
(Top 20%)
(Top 20%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
66%
34%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
67%
47%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
55-59%
29%
Student-Teacher Ratio
30:1
21:1
Showing 2014–2025. Full 39-year historical data available below ↓
Asian
11%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
17%
56%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
1%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
White
52%
20%
Showing 2015–2025. Full 38-year historical data available below ↓
Hawaiian
1%
n/a
Two or more races
18%
6%
Showing 2015–2025. Full 17-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)14.5%
27.7%
Eligible for Free Lunch
11%
54%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch
10%
8%
Showing 2010–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Sports
Colors
Eagles Blue
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Mt. Diablo Elementary School's ranking?
Mt. Diablo Elementary School is ranked #1135 out of 9,523 schools, which ranks it among the top 20% of public schools in California.
What schools are Mt. Diablo Elementary School often compared to?
Mt. Diablo Elementary Schoolis often viewed alongside schools like Walt Disney Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
66% of students have achieved math proficiency (compared to the 34% CA state average), while 67% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Mt. Diablo Elementary School?
739 students attend Mt. Diablo Elementary School.
What is the racial composition of the student body?
52% of Mt. Diablo Elementary School students are White, 18% of students are Two or more races, 17% of students are Hispanic, 11% of students are Asian, 1% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Mt. Diablo Elementary School?
Mt. Diablo Elementary School has a student ration of 30:1, which is higher than the California state average of 21:1.
What grades does Mt. Diablo Elementary School offer ?
Mt. Diablo Elementary School offers enrollment in grades Kindergarten-5
What school district is Mt. Diablo Elementary School part of?
Mt. Diablo Elementary School is part of MT. Diablo Unified School District.
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