CAHighATSICalendar available · 9 events · Auto-updating

Mt. Diablo High — School Calendar 2026-27

High|Concord, California|Mt. Diablo Unified

Concord, CA 94520

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School Profile

Grades
9–12
Enrollment
1,477
Student:Teacher
20:1
Locale
Suburban
Econ. Disadvantaged
62.0%

School Statistics

Academics (SY 2020-21)

ELA Proficiency
45-49%
Math Proficiency
20-24%
Graduation Rate
85%

Programs & Activities (SY 2021-22)

AP Program
11 courses offered
205 students enrolled
Dual Enrollment
13 students enrolled
SAT/ACT
7 test takers
Athletics
19 sports, 23 teams
257 participants
Student-Teacher Ratio: 23.6:1
Worse than average in CA

Technology & Internet Access (SY 2021-22)

1:1 Devices
Student devices available
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
1,515
Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)
59.1
95% fully certified
Counselors
4
Psychologists
0.40000001
Nurses
0.5
Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending
$15,421
Total current expenditure
Instruction Spending
$9,507
Per pupil, classroom only
Total Revenue/Pupil
$20,560
All funding sources
Funding Sources
Federal 8%State 48%Local 44%
District-level data from NCES F-33 Survey

Community Context

Median Home Value
$1,116,383
-2.3% 1yr+10.5% 5yr
San Francisco, CA metro area
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
13.5%
Below 150% poverty line
5.8%
Unemployment rate
4.7%
Uninsured residents
10.7%
No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served
4,456
Ages 3-21 under IDEA
School-Age (6-21)
4,097
Receiving special ed services
Est. % of Enrollment
100%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
1,520 (37%)
Autism
871 (21%)
Speech/Language Impairment
737 (18%)
Other Health Impairment
622 (15%)
Intellectual Disability
124 (3%)
Emotional Disturbance
66 (2%)

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

1,397
Current enrollment
Stable(-9% 5yr)

Frequently Asked Questions about Mt. Diablo High

Mt. Diablo High currently enrolls 1,477 students across High grade levels. The school operates under the local school district in CA.

Calendar Guides

School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data