Black Diamond Middle

Public 7-8

 4730 Sterling Hill Dr.
       Antioch, CA  94531-7673


(925) 776-5500

District: Antioch Unified

SchoolDigger Rank:
2511th of 2,798 California Middle Schools

Per Pupil Expenditures:  $7,327 Help


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

Student/teacher ratio:  23.2 Help
Number of students:  369

Racial breakdown:

Hispanic:
39.8%
African American:
31.4%
Asian:
13.0%
more

Free/discounted lunch recipients:  67.8% Help


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Performance Trends
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Compare Details Black Diamond Middle ranks worse than 89.7% of middle schools in California. It also ranks 3rd among 4 ranked middle schools in the Antioch Unified School District. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 14.88. (See more...)
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Chronic absenteeism in a high school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
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Compare Details Black Diamond Middle has the smallest middle school student body size in the Antioch Unified School District. Student population at Black Diamond Middle is diverse. Racial makeup is: Hispanic (39.8%), African American (31.4%), Asian (13%). (See more...)
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Compare Details 67.8% of students are receiving a free or discounted lunch. This is the lowest percentage in the Antioch Unified School District. (See more...)
Teachers
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Compare Details The student/teacher ratio at Black Diamond Middle is 23.2. 2 middle schools in the Antioch Unified School District have better student/teacher ratios. (See more...)
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Compare Black Diamond Middle employs 15.8 full-time teachers.
Finance
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Compare Details The average total spent per student at Black Diamond Middle is $7,327, which is the highest among 4 middle schools in the Antioch Unified School District!
Schooldigger 2023 Rankings:

Black Diamond Middle:

SchoolDigger ranks Black Diamond Middle 2511th of 2798 California public middle schools. (See Black Diamond Middle in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


Multi-racial students:
English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Asian students:
African American students:
Hispanic students:
White students:


Antioch Unified:

SchoolDigger ranks Antioch Unified 1350th of 1560 California school districts. (See district ranking list.)


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Rank History for Black Diamond Middle

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Compare

Rank History for all students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2004 52.08 741st 1769 58.1%
2005 43.29 929th 1777 47.7%
2006 42.61 951st 1804 47.3%
2007 47.18 955th 1999 52.2%
2008 39.14 1184th 2005 40.9%
2009 38.79 1235th 2063 40.1%
2010 40.24 1303rd 2179 40.2%
2011 40.55 1344th 2236 39.9%
2012 41.78 1310th 2259 42.0%
2013 38.03 1483rd 2379 37.7%
2015 18.25 2070th 2477 16.4%
2016 13.07 2257th 2497 9.6%
2017 10.57 2365th 2508 5.7%
2018 11.65 2303rd 2480 7.1%
2019 8.83 2587th 2715 4.7%
2022 12.12 2568th 2740 6.3%
2023 14.88 2502nd 2788 10.3%
See the entire list of California Middle School Rankings!

Rank History for Multi-racial students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 0.95 550th 554 0.7%
2022 2.76 659th 665 0.9%
2023 8.96 616th 678 9.1%
See the entire list of Best California Middle Schools for Multi-racial Students!

Rank History for English Language Learner students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 28.25 1087th 1364 20.3%
2019 29.35 1156th 1442 19.8%
2022 29.69 1266th 1540 17.8%
2023 31.06 1166th 1523 23.4%
See the entire list of Best California Middle Schools for English Language Learner Students!

Rank History for Special Education students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 26.77 1187th 1532 22.5%
See the entire list of Best California Middle Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 11.29 2119th 2230 5.0%
2019 7.82 2296th 2369 3.1%
2022 13.62 2308th 2458 6.1%
2023 15.28 2334th 2535 7.9%
See the entire list of Best California Middle Schools for Low Socio Economic Status Students!

Rank History for Female students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 14.67 2013th 2262 11.0%
2019 8.14 2314th 2380 2.8%
2022 8.91 2460th 2509 2.0%
2023 13.36 2362nd 2535 6.8%
See the entire list of Best California Middle Schools for Female Students!

Rank History for Disabled students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 17.40 1357th 1369 0.9%
2019 18.22 1450th 1491 2.7%
2022 17.57 1512th 1531 1.2%
See the entire list of Best California Middle Schools for Disabled Students!

Rank History for Male students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 9.10 2205th 2273 3.0%
2019 9.02 2322nd 2407 3.5%
2022 16.16 2248th 2527 11.0%
2023 16.60 2250th 2546 11.6%
See the entire list of Best California Middle Schools for Male Students!

Rank History for Asian students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 2.32 699th 717 2.5%
See the entire list of Best California Middle Schools for Asian Students!

Rank History for African American students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 16.70 553rd 600 7.8%
2019 19.75 568th 643 11.7%
2022 14.91 604th 637 5.2%
2023 19.41 543rd 609 10.8%
See the entire list of Best California Middle Schools for African American Students!

Rank History for Hispanic students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 14.60 1910th 2072 7.8%
2019 8.05 2151st 2213 2.8%
2022 19.09 2046th 2359 13.3%
2023 19.42 2041st 2379 14.2%
See the entire list of Best California Middle Schools for Hispanic Students!

Rank History for White students at Black Diamond Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 10.29 1387th 1496 7.3%
2019 3.37 1584th 1602 1.1%
2023 15.88 1320th 1549 14.8%
See the entire list of Best California Middle Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Black Diamond Middle Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 





Data source: California Department of Education

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Enrollment information for Black Diamond Middle

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1995 228 43 49 47 7 n/a n/a 0 374
1996 228 43 49 47 7 n/a n/a 0 374
1997 868 92 198 171 22 n/a n/a 0 1351
1998 844 164 233 200 9 n/a n/a 0 1450
1999 817 248 207 206 5 n/a n/a 0 1483
2000 722 281 241 235 5 n/a n/a 0 1484
2001 757 305 244 262 12 n/a n/a 26 1606
2002 714 371 323 326 15 n/a n/a 73 1822
2003 714 371 323 326 15 n/a n/a 73 1822
2004 455 262 234 247 13 n/a n/a 61 1272
2005 383 300 211 288 14 n/a n/a 59 1255
2006 306 292 201 320 12 n/a n/a 72 1203
2007 290 288 187 290 7 n/a n/a 74 1136
2008 246 297 172 258 4 n/a n/a 0 977
2009 211 294 148 249 2 19 86 0 1009
2010 205 305 144 270 2 15 51 0 992
2011 173 295 123 249 4 15 44 0 903
2012 143 290 118 234 7 6 18 0 816
2013 107 240 98 214 8 7 25 0 699
2014 115 263 83 234 4 8 28 0 735
2015 75 259 75 229 4 4 21 0 667
2016 50 237 67 221 5 3 24 0 607
2017 26 147 45 139 3 5 11 0 376
2018 31 132 48 136 1 3 23 0 374
2019 32 128 48 130 0 1 26 0 365
2020 34 136 48 129 3 6 26 0 382
2021 23 125 45 132 3 6 22 0 356
2022 18 108 52 135 1 7 21 1 343
2023 31 116 48 147 0 4 23 0 369

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Black Diamond Middle

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1995 374 11.2 33.4 0
1996 374 11.2 33.4 0
1997 1351 56.2 24.0 13.8
1998 1450 61.0 23.8 15.4
1999 1483 59.2 25.1 13.7
2000 1484 64.1 23.2 13
2001 1606 64.2 25.0 14.9
2002 1822 73.8 24.7 18.9
2003 1822 73.8 24.7 18.9
2004 1272 54.0 23.6 27.8
2005 1255 50.9 24.7 31.7
2006 1203 48.8 24.7 35.2
2007 1136 47.6 23.9 44.4
2008 977 49.6 19.7 48.5
2009 1009 32.3 29.4 46.8
2010 992 41.2 24.0 51.2
2011 903 n/a n/a 56
2012 816 33.4 24.4 n/a
2013 699 28.9 24.1 64.1
2014 735 29.2 25.0 61.2
2015 667 25.0 26.6 67.9
2016 607 26.0 23.3 71.8
2017 376 16.8 22.3 72.6
2018 374 15.8 23.6 74.3
2019 365 16.2 22.5 69.6
2020 382 n/a n/a 69.6
2021 356 15.2 23.4 65.2
2022 343 16.8 20.4 63.3
2023 369 15.8 23.2 67.8

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Black Diamond Middle

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1995 374 11.2 33.4 0
1996 374 11.2 33.4 0
1997 1351 56.2 24.0 13.8
1998 1450 61.0 23.8 15.4
1999 1483 59.2 25.1 13.7
2000 1484 64.1 23.2 13
2001 1606 64.2 25.0 14.9
2002 1822 73.8 24.7 18.9
2003 1822 73.8 24.7 18.9
2004 1272 54.0 23.6 27.8
2005 1255 50.9 24.7 31.7
2006 1203 48.8 24.7 35.2
2007 1136 47.6 23.9 44.4
2008 977 49.6 19.7 48.5
2009 1009 32.3 29.4 46.8
2010 992 41.2 24.0 51.2
2011 903 n/a n/a 56
2012 816 33.4 24.4 n/a
2013 699 28.9 24.1 64.1
2014 735 29.2 25.0 61.2
2015 667 25.0 26.6 67.9
2016 607 26.0 23.3 71.8
2017 376 16.8 22.3 72.6
2018 374 15.8 23.6 74.3
2019 365 16.2 22.5 69.6
2020 382 n/a n/a 69.6
2021 356 15.2 23.4 65.2
2022 343 16.8 20.4 63.3
2023 369 15.8 23.2 67.8

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Finances

Per Pupil Expenditures for Black Diamond Middle

Help

YearTotal Expenditures Per Pupil
2018 $7,327

Data source: California Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Black Diamond Middle

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 2587th of 2715 Middle schoolsRanks 2502nd of 2788 Middle schools
 5.5%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
7th Grade English Language Arts/Literacy (Black Diamond Middle)22.728.4
 5.7%
   7th Grade English Language Arts/Literacy (Antioch Unified)31.627.6
 4%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (Black Diamond Middle)9.713.5
 3.8%
   7th Grade Mathematics (Antioch Unified)15.212.8
 2.3%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (Black Diamond Middle)11.811.6
 0.2%
   8th Grade English Language Arts/Literacy (Antioch Unified)24.620.9
 3.7%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (Black Diamond Middle)3.14.9
 1.7%
   8th Grade Mathematics (Antioch Unified)12.98.3
 4.6%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (Black Diamond Middle)7.99.6
 1.7%
   8th Grade Science (Antioch Unified)15.413.9
 1.5%
   8th Grade Science (California)30.828.8
 2.1%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students365369
 1.1%
African American128116
 9.4%
American Indian00
Asian4848
Hispanic130147
 13.1%
Pacific Islander14
 300%
White3231
 3.1%
Two or More Races2623
 11.5%
% Free/Discounted Lunch Recipients69.6%67.8%
 1.8%


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Frequently Asked Questions about Black Diamond Middle

Students at Black Diamond Middle are 40% Hispanic, 31% African American, 13% Asian, 8% White, 6% Two or more races, 1% Pacific Islander.

In the 2022-23 school year, 369 students attended Black Diamond Middle.

Black Diamond Middle ranks in the bottom 10.3% of California middle schools.

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


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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. School Attendance Areas provided by ATTOM.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that school and district boundary data 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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