Black Diamond Middle
Antioch, CA · Antioch Unified · Grades 6-8
1,230th of 1,294 California middle schools statewide · better than 5%▼ Declining
Black Diamond Middle ranking
SchoolRow ranks Black Diamond Middle 1,230th of 1,294 California middle schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 5% of middle schools statewide. Its statewide percentile went from 13th in 2015 to 5th in 2025 — declining.
Black Diamond Middle test scores
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 349 students tested
Black Diamond Middle students
Racial and ethnic breakdown of 343 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 31.8% | 38.8% | ▲ 7.0 pts | |
| Black | 35.8% | 30.9% | ▼ 4.9 pts | |
| Asian | 11.3% | 12.8% | ▲ 1.5 pts | |
| White | 15.6% | 9.9% | ▼ 5.7 pts | |
| Two or more races | 3.8% | 6.4% | ▲ 2.6 pts | |
| Pacific Islander | 1.1% | 0.9% | ▼ 0.2 pts |
Homes near Black Diamond Middle
Typical home value $666K in zip 94531 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Middle schools near Black Diamond Middle
Closest same-level schools, with 2024–25 state rank
- 2Dallas Ranch MiddleAntioch Unified · 1.8 mi away1,120th of 1,294
ELA 29% · Math 12% - 1Park MiddleAntioch Unified · 3 mi away1,207th of 1,294
ELA 21% · Math 11% - 3O'Hara Park MiddleOakley Union Elementary · 3.1 mi away975th of 1,294
ELA 35% · Math 15% - 1Antioch MiddleAntioch Unified · 3.4 mi away1,271st of 1,294
ELA 16% · Math 6% - 9Adams (J. Douglas) MiddleBrentwood Union · 3.6 mi away213th of 1,294
ELA 69% · Math 57% - 6William B. Bristow MiddleBrentwood Union · 3.6 mi away530th of 1,294
ELA 49% · Math 33% - 3Delta Vista MiddleOakley Union Elementary · 4.5 mi away973rd of 1,294
ELA 33% · Math 17% - 8Edna Hill MiddleBrentwood Union · 4.9 mi away369th of 1,294
ELA 55% · Math 45%
Frequently asked questions
What school district is Black Diamond Middle in?
Black Diamond Middle is part of the Antioch Unified district in Antioch, California.
Is Black Diamond Middle a good school?
SchoolRow ranks Black Diamond Middle 1,230th of 1,294 California middle schools (better than 5% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Black Diamond Middle?
Hispanic 39%, Black 31%, Asian 13%, White 10% (343 students, 2023–24).
How much do homes near Black Diamond Middle cost?
The typical home value in zip code 94531 is $666K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.