Top Rankings
MT. Diablo Unified School District ranks among the top 20% of public school district in California for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 10 public high schools serving 7,595 students in MT. Diablo Unified School District. This district's average high testing ranking is 7/10, which is in the top 50% of public high schools in California.
Public High Schools in MT. Diablo Unified School District have an average math proficiency score of 28% (versus the California public high school average of 28%), and reading proficiency score of 53% (versus the 51% statewide average).
Public High School in MT. Diablo Unified School District have a Graduation Rate of 86%, which is equal to the California average of 86%.
The school with highest graduation rate is Northgate High School, with 97% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 75% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
51 Schools
2,801 Schools
# Students
29,210 Students
2,122,788 Students
# Teachers
1,238 Teachers
101,054 Teachers
Student-Teacher Ratio
24:1
24:1
Student By Grade
District Rank
MT. Diablo Unified School District, which is ranked #740 of all 1,904 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 86% has stayed relatively flat over five school years.
Overall District Rank
#712 out of 1932 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
36%
34%
Reading/Language Arts Test Scores (% Proficient)
46%
47%
Science Test Scores (% Proficient)
31%
29%
Graduation Rate
86%
87%
Students by Ethnicity:
Diversity Score
0.72
0.63
% American Indian
n/a
1%
% Asian
14%
12%
% Hispanic
43%
56%
% Black
3%
5%
% White
27%
21%
% Hawaiian
1%
n/a
% Two or more races
12%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $16,480 in this school district is less than the state median of $20,100. The school district revenue/student has grown by 12% over four school years.
The school district's spending/student of $13,892 is less than the state median of $18,511. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$481 MM
$116,387 MM
Spending
$406 MM
$107,188 MM
Revenue / Student
$16,480
$20,100
Spending / Student
$13,892
$18,511
Best MT. Diablo Unified School District Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Northgate High School
(Math: 53% | Reading: 86%)
Rank:
Rank:
10/
Top 10%10
425 Castle Rock Rd.
Walnut Creek, CA 94598
(925) 938-0900
Walnut Creek, CA 94598
(925) 938-0900
Gr: 9-12 | 1,546 students Student-teacher ratio: 23:1 Minority enrollment: 54%
Rank: #22.
College Park High School
(Math: 47% | Reading: 63%)
Rank:
Rank:
8/
Top 30%10
201 Viking Dr.
Pleasant Hill, CA 94523
(925) 682-7670
Pleasant Hill, CA 94523
(925) 682-7670
Gr: 9-12 | 1,948 students Student-teacher ratio: 23:1 Minority enrollment: 61%
Rank: #33.
Crossroads High School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
2701 Willow Pass Rd.
Concord, CA 94519
(925) 689-6852
Concord, CA 94519
(925) 689-6852
Gr: 7-12 | 12 students Student-teacher ratio: 6:1 Minority enrollment: 91%
Rank: #44.
Horizons School Independent Study
Alternative School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
1 Santa Barbara Rd.
Pleasant Hill, CA 94523
(925) 682-8000
Pleasant Hill, CA 94523
(925) 682-8000
Gr: K-12 | 182 students Student-teacher ratio: 11:1 Minority enrollment: 68%
Rank: #55.
Concord High School
(Math: 11% | Reading: 45-49%)
Rank:
Rank:
4/
Bottom 50%10
4200 Concord Blvd.
Concord, CA 94521
(925) 687-2030
Concord, CA 94521
(925) 687-2030
Gr: 9-12 | 1,137 students Student-teacher ratio: 20:1 Minority enrollment: 81%
Rank: #66.
Ygnacio Valley High School
(Math: 6% | Reading: 47%)
Rank:
Rank:
3/
Bottom 50%10
755 Oak Grove Rd.
Concord, CA 94518
(925) 685-8414
Concord, CA 94518
(925) 685-8414
Gr: 9-12 | 1,059 students Student-teacher ratio: 19:1 Minority enrollment: 95%
Rank: #77.
Prospect High (Continuation School)
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
One Santa Barbara Rd.
Pleasant Hill, CA 94523
(925) 682-8000
Pleasant Hill, CA 94523
(925) 682-8000
Gr: 9-12 | 60 students Student-teacher ratio: 10:1 Minority enrollment: 78%
Rank: #88.
Mt. Diablo High School
(Math: 13% | Reading: 27%)
Rank:
Rank:
2/
Bottom 50%10
2450 Grant St.
Concord, CA 94520
(925) 682-4030
Concord, CA 94520
(925) 682-4030
Gr: 9-12 | 1,397 students Student-teacher ratio: 20:1 Minority enrollment: 95%
Rank: #99.
Olympic High School
Alternative School
(Math: ≤5% | Reading: ≤5%)
Rank:
Rank:
1/
Bottom 50%10
2730 Salvio St.
Concord, CA 94519
(925) 687-0363
Concord, CA 94519
(925) 687-0363
Gr: 9-12 | 233 students Student-teacher ratio: 15:1 Minority enrollment: 91%
Rank: n/an/a
Glenbrook Academy
Special Education School
2351 Olivera Rd.
Concord, CA 94520
(925) 682-8000
Concord, CA 94520
(925) 682-8000
Gr: 6-12 | 21 students Student-teacher ratio: 11:1 Minority enrollment: 71%
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