Mt. Diablo High
High Schools (Public)Grades 9–12Active
2450 Grant Street, Concord, CA 94520-2251
(925) 682-4030
Overall Score (2024-25)
↑ 1.2 ptsvs 2023-2441
out of 100
Below AverageTop 63% statewideData completeness: 100%
Academic Achievement33
CA avg
Academic Growth77
CA avg
Equity30
CA avg
School Climate33
CA avg
College/Career Readiness31
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts38.1%
CA avg 48.8%
Mathematics12.5%
CA avg 34.6%
Science / CAST (2024-25)11.4%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 11 | 38.1% | 12.5% | 12.1% | 286 |
Enrollment & Demographics (2024-25)
1,397
Total Students
80.0%
Free/Reduced Lunch
35.3%
English Learners
Staff (2024-25)
19.9:1
Pupil-Teacher Ratio
Graduation Rates (2024-25)
↑ 6.0%88.7%
Graduation Rate
24.5%
Met UC/CSU Reqs
6.9%
Dropout Rate
Chronic Absenteeism (2024-25)
↓ 7.1%33.7%
Chronically Absent
1,491
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Graduation Rate %
Chronic Absenteeism Rate %
Total Enrollment
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 07617540734566. Academic Year: 2023-24 – 2024-25.