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Black Diamond Middle

Public Grades 7-8
2552nd
SchoolDigger Rank ?
of 2,761 California Middle Schools
Better than 8% of California middle schools
Summary

Black Diamond Middle is a public school serving 358 students in grades 7 and 8 within the Antioch Unified district, notable for its smaller size compared to other local middle schools.

Academically, the school faces significant challenges, with its performance ranking in the bottom 10% of all California schools and proficiency rates in core subjects like math and English falling below both district and state averages. A major concern is chronic student absenteeism, which at 34.5% is nearly double the state average, creating a substantial barrier to learning. It's important to note that these struggles with low test scores and high absenteeism are common across the Antioch Unified district, with schools like Park Middle and Antioch Middle facing similar issues, in contrast to higher-performing neighboring districts such as Brentwood Union.

Despite receiving the highest per-student funding among its district peers, these resources have not yet translated into stronger academic outcomes. The school's small size could be an advantage for more personalized attention, but its effectiveness varies widely for different student groups, indicating a need for targeted support strategies. For parents, this suggests that while the school is investing more resources per child, overcoming foundational challenges like attendance remains a critical first step toward improvement.

358
Students ?
21.2
Student/teacher ratio ?
$18,467
Per pupil spending ?
81%
Free/discounted lunch ?
 4730 Sterling Hill Dr.
       Antioch, CA  94531-7673

(925) 779-7460

District: Antioch Unified


Students who attend Black Diamond Middle usually attend:

High:    Deer Valley High

Feeder schools for Black Diamond Middle:

Elementary:    Carmen Dragon Elementary
    Grant Elementary
    Jack London Elementary
Racial breakdown:

Hispanic:
41.9%
African American:
32.7%
Asian:
8.9%
more
 See top rated California middle schools

 Compare Black Diamond Middle to nearby middle schools!
At a glance
Ranking trend: Declining — 38th percentile in 2013 → 8th in 2025
Worth a look
!Test scores below the California average (14% vs 41% meeting standards)
!In the lower quartile statewide (8th percentile)
!High chronic absenteeism (34% vs 19% California)
Students meeting standards (2024-2025) ?
This school14%
District avg20%
California avg41%
2,552nd of 2,761
California public middle schools ?
Bottom 8%▼ down 9 pts since 2015
From bottom 16% (2015) to bottom 8% (2025)
See the entire ranking list of California Middle Schools →
SchoolDigger rating ?
3rd of 4Middle Schools in the Antioch Unified
1372nd of 1,543Antioch Unified among California districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankCalifornia percentileRating
202511.92552 of 27617.6%☆☆☆☆☆
202416.62414 of 278313.3%★☆☆☆☆
202314.92498 of 278110.2%★☆☆☆☆
202212.12568 of 27406.3%☆☆☆☆☆
20198.82587 of 27154.7%☆☆☆☆☆
201811.62303 of 24807.1%☆☆☆☆☆
201710.62365 of 25085.7%☆☆☆☆☆
201613.12257 of 24979.6%☆☆☆☆☆
201518.22070 of 247716.4%★☆☆☆☆
201338.01483 of 237937.7%★★☆☆☆
201241.81310 of 225942.0%★★☆☆☆
201140.51344 of 223639.9%★★☆☆☆
201040.21303 of 217940.2%★★☆☆☆
200938.81235 of 206340.1%★★☆☆☆
200839.11184 of 200540.9%★★☆☆☆
200747.2955 of 199952.2%★★★☆☆
200642.6951 of 180447.3%★★☆☆☆
200543.3929 of 177747.7%★★☆☆☆
200452.1741 of 176958.1%★★★☆☆

African American

YearAvg scoreStatewide rankCalifornia percentileRating
202512.6591 of 6093.0%☆☆☆☆☆
202420.5547 of 62712.8%★☆☆☆☆
202319.4547 of 61310.8%★☆☆☆☆
202214.9604 of 6375.2%☆☆☆☆☆
201919.8568 of 64311.7%★☆☆☆☆
201816.7553 of 6007.8%☆☆☆☆☆

Asian

YearAvg scoreStatewide rankCalifornia percentileRating
20232.3697 of 7152.5%☆☆☆☆☆

Disabled

YearAvg scoreStatewide rankCalifornia percentileRating
202217.61512 of 15311.2%☆☆☆☆☆
201918.21450 of 14912.7%☆☆☆☆☆
201817.41357 of 13690.9%☆☆☆☆☆

English Language Learner

YearAvg scoreStatewide rankCalifornia percentileRating
202441.4674 of 147854.4%★★★☆☆
202331.11166 of 152123.3%★☆☆☆☆
202229.71266 of 154017.8%★☆☆☆☆
201929.41156 of 144219.8%★☆☆☆☆
201828.21087 of 136420.3%★☆☆☆☆

Female

YearAvg scoreStatewide rankCalifornia percentileRating
202511.92367 of 25336.6%☆☆☆☆☆
202417.12218 of 255113.1%★☆☆☆☆
202313.42361 of 25316.7%☆☆☆☆☆
20228.92460 of 25092.0%☆☆☆☆☆
20198.12314 of 23802.8%☆☆☆☆☆
201814.72013 of 226211.0%★☆☆☆☆

Hispanic

YearAvg scoreStatewide rankCalifornia percentileRating
202518.12077 of 239513.3%★☆☆☆☆
202424.81843 of 238822.8%★☆☆☆☆
202319.42041 of 237414.0%★☆☆☆☆
202219.12046 of 235913.3%★☆☆☆☆
20198.02151 of 22132.8%☆☆☆☆☆
201814.61910 of 20727.8%☆☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankCalifornia percentileRating
202512.52381 of 25426.3%☆☆☆☆☆
202415.52339 of 25799.3%☆☆☆☆☆
202315.32334 of 25317.8%☆☆☆☆☆
202213.62308 of 24586.1%☆☆☆☆☆
20197.82296 of 23693.1%☆☆☆☆☆
201811.32119 of 22305.0%☆☆☆☆☆

Male

YearAvg scoreStatewide rankCalifornia percentileRating
202512.32362 of 25346.8%☆☆☆☆☆
202415.82254 of 255211.7%★☆☆☆☆
202316.62245 of 253811.5%★☆☆☆☆
202216.22248 of 252711.0%★☆☆☆☆
20199.02322 of 24073.5%☆☆☆☆☆
20189.12205 of 22733.0%☆☆☆☆☆

Multi-racial

YearAvg scoreStatewide rankCalifornia percentileRating
20254.8703 of 7263.2%☆☆☆☆☆
20239.0615 of 6779.2%☆☆☆☆☆
20222.8659 of 6650.9%☆☆☆☆☆
20191.0550 of 5540.7%☆☆☆☆☆

Special Education

YearAvg scoreStatewide rankCalifornia percentileRating
202516.31537 of 15661.9%☆☆☆☆☆
202424.21306 of 155215.9%★☆☆☆☆
202326.81185 of 153122.6%★☆☆☆☆

White

YearAvg scoreStatewide rankCalifornia percentileRating
20256.41452 of 15204.5%☆☆☆☆☆
202412.11390 of 15379.6%☆☆☆☆☆
202315.91317 of 154314.6%★☆☆☆☆
20193.41584 of 16021.1%☆☆☆☆☆
201810.31387 of 14967.3%☆☆☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
English Language Learner (2024)54th percentile+41 vs school
Hispanic (2025)13th percentile+6 vs school
Male (2025)7th percentile~ school
Female (2025)7th percentile~ school
Low Socio Economic Status (2025)6th percentile~ school
White (2025)4th percentile-3 vs school
Multi-racial (2025)3rd percentile-4 vs school
African American (2025)3rd percentile-5 vs school
Asian (2023)3rd percentile-8 vs school
Special Education (2025)2nd percentile-6 vs school
Disabled (2022)1st percentile-5 vs school
By subject vs California (2024-2025) ?
English Language Arts/Literacy22%-27 vs state
Science11%-21 vs state
Mathematics8%-29 vs state

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Frequently Asked Questions about Black Diamond Middle

Students who attend Black Diamond Middle usually go on to attend Deer Valley High

Black Diamond Middle ranks in the bottom 7.6% of California middle schools.

In the 2024-25 school year, 358 students attended Black Diamond Middle.

Students at Black Diamond Middle are 42% Hispanic, 33% African American, 9% Asian, 8% White, 6% Two or more races, 1% Pacific Islander.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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