Diablo Community Day ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is <50% (which is higher than the California state average of 38%). The percentage of students achieving proficiency in reading/language arts is <50% (which is higher than the California state average of 48%).
Quick Facts (2026)
- School Type: Alternative school
- Grades: 7-12
- Graduation Rate: ≥50% (Top 1% in CA)
- Math Proficiency: <50%
- Reading Proficiency: <50%
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
School Type
Grades Offered
Grades 7-12
Total Students (21-22)
9 students
Total Classroom Teachers (21-22)
2 teachers
Year Founded
1905
Last Day of School
Mon. May 25, 2026
School Rankings
Math Test Scores (% Proficient)
(16-17)<50%
38%
Reading/Language Arts Test Scores (% Proficient)
(15-16)<50%
48%
Student-Teacher Ratio
n/a
21:1
American Indian
(21-22)n/a
1%
Asian
(21-22)n/a
12%
Hispanic
(21-22)78%
56%
Black
(21-22)n/a
5%
White
(21-22)22%
21%
Hawaiian
(21-22)n/a
n/a
Two or more races
(21-22)n/a
5%
Graduation Rate
(21-22)≥50%
87%
Eligible for Free Lunch (21-22)
56%
51%
Eligible for Reduced Lunch (21-22)
11%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What schools are Diablo Community Day often compared to?
Diablo Community Dayis often viewed alongside schools like Oak Grove Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
<50% of students have achieved math proficiency (compared to the 38% CA state average), while <50% of students have achieved reading proficiency (compared to the 48% CA state average).
What is the graduation rate of Diablo Community Day?
The graduation rate of Diablo Community Day is 50%, which is lower than the California state average of 87%.
How many students attend Diablo Community Day?
9 students attend Diablo Community Day.
What is the racial composition of the student body?
78% of Diablo Community Day students are Hispanic, and 22% of students are White.
What grades does Diablo Community Day offer ?
Diablo Community Day offers enrollment in grades 7-12
What school district is Diablo Community Day part of?
Diablo Community Day is part of MT. Diablo Unified School District.
School Reviews
Review Diablo Community Day. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Should Your Child Attend Summer School? Key Signs
Should your child attend summer school? Learn the key signs, benefits, and expert guidance to make the right decision in 2026.
Preventing Summer Learning Loss: Strategies That Work
Discover proven strategies for preventing summer learning loss and keeping students academically engaged during the break.
Transfer Pathways Between Public School Districts 2026
A 2026 guide to transfer pathways between public school districts, including open enrollment, legal rules, and tips for families.
