Black Diamond Middle

4730 Sterling Hill Dr., Antioch, CA 94531

FSchola Grade
Grades
7–8
Middle
Students
358
Enrolled 2024–25
Students per teacher
21.3 : 1
Full-time teachers
District
Antioch Unified
Contra Costa County

Schola Grade F · Far below average

Letter grade (A–F) · compared with 1,332 California middle schools · How we grade
Test scores12% proficient in math & reading
3rdpercentile
Equity7% of low-income students proficient
1stpercentile
Attendance38% chronically absent
15thpercentile
Class size21.3 students per teacher
46thpercentile

Percentiles compare this school with other California middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Black Diamond Middle

Black Diamond Middle is a public middle school in Antioch, California, serving grades 7–8. It is part of Antioch Unified. The school is located in a large suburb in Contra Costa County.

In the 2024–25 school year, 358 students were enrolled, with about 21.3 students for every full-time teacher. That ratio is close to the typical California middle school (21.0 students per teacher). Its Schola Grade is F (far below average), compared with 1,332 California middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 7–8

Location & nearby schools

4730 Sterling Hill Dr.
Antioch, CA 94531
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School details

Type
Public School · What this means
Level
Middle
Grades offered
7–8
Enrollment (2024–25)
358 students
Students per teacher
21.3 to 1
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Antioch Unified
County
Contra Costa County
NCES school ID
060285004440

Schools near Black Diamond Middle

All 35 schools in Antioch →
Park Middle
Public · Grades 6–8 · 1,055 students
D3.0 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.