Black Diamond Middle
369
Students
23.3:1
S:T Ratio
School Snapshot
Key metrics at a glanceStudent-Teacher Ratiostudents per teacher
23:1
C+
Below Avg
Graduation Rate
82%
A
Excellent
This Week at Black Diamond Middle – April 8, 2026
52 students practicing on Varsity Tutors
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School Details
Address
4730 Sterling Hill Dr., Antioch, CA 94531
Phone
(925)776-5500
District
Antioch Unified School District
Academic Calendar
2025-2026
Important dates, holidays, and school events