Skip to content
Chapter

Mt. Diablo High

Concord, CA

PublicHigh · Grades 9–12
mdusd.org2450 Grant St., Concord, CA 94520(925) 682-4030
Test scores
California state tests, 2024–25

English language arts

287 students tested

38.1% met or exceeded the standard. In 2023–24, 32.2% did.

  • Exceeded12.6%
  • Met25.5%
  • Nearly met25.5%
  • Not met36.4%

Math

282 students tested

12.5% met or exceeded the standard. In 2023–24, 10.1% did.

  • Exceeded1.8%
  • Met10.7%
  • Nearly met15.3%
  • Not met72.2%
Discipline
State and federal reports

California Department of Education

8.1% of students were suspended at least once in 2024–25.

Measure2023–242024–25
Enrolled during the year1,7521,600
Suspended in or out of school15.8% · 2778.1% · 129
Suspensions470159
Violence with injury6249
Violence without injury6766
Weapons110
Drugs9439
Defiance only2260
Other105

Each suspension is listed under its most serious offense.

U.S. Department of Education

Measure2021–222023–24
Enrolled in the fall1,5151,456
Suspended out of school9.2% · 1398.9% · 130
Suspended in school0.1% · 115.6% · 227
Expelled0.0% · 00.1% · 1
Attendance
California Department of Education

33.7% of students were chronically absent in 2024–25.

Measure2023–242024–25
Students counted1,6281,491
Chronically absent40.8% · 66433.7% · 503

Chronically absent means missing 10% or more of the school days a student was enrolled.

School Profile

Location

Suburb, Large

Enrollment

1,477 students

Student-Teacher Ratio

20:1

Demographics
Hispanic/Latino74.2%
x
White3.7%
x
Black or African American8.1%
x
Asian7.6%
x
Two or More Races4.5%
x
American Indian or Alaska Native0.1%
x
Native Hawaiian or Pacific Islander1.7%
x
Public school directory

NCES ID 062637003960

District
Mt. Diablo Unified
Status
Open
School category
Regular School
Charter
No
Virtual instruction
Supplemental virtual
Enrollment
1,477 students
Teachers (FTE)
74.8

Sources