Black Diamond Middle
🇺🇸 Official data · 2025Antioch, California 94531 · Antioch Unified
#1290 of 1,334 middle schools in California
#15187 of 15,369 nationally
About Black Diamond Middle
Black Diamond Middle is a public middle located in Antioch, in the Antioch Unified school district of California, United States. It caters for Grades 7–8. In 2025 it enrolled 358 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 8.7 out of 100, placing it in the lower 50% of middle schools in United States and 1290th of 1,334 ranked middle schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (23th percentile), and its weakest is math proficiency (2th percentile).
Other published figures: enrollment 358.
There are 22 schools in Antioch; Black Diamond Middle ranks 21st of 22 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)8%
- Reading proficiency (30%)18%
- Community advantage (fewer free/reduced-price lunch) (25%)81%
- Students per teacher (15%)22.4
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Black Diamond Middle by the official sources.
- Enrollment
- 358
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 81%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 22.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 18%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 8%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Black Diamond Middle
Closest schools by straight-line distance, with their Success Index (US).
Jack London Elementary
Antioch · Public elementary · Grades K–6
446 students · 796 m away
Deer Valley High
Antioch · Public high · Grades 9–12
1,812 students · 999 m away
Carmen Dragon Elementary
Antioch · Public elementary · Grades K–6
495 students · 1.3 km away
Diablo Vista Elementary
Antioch · Public elementary · Grades K–5
496 students · 1.3 km away
Grant Elementary
Antioch · Public elementary · Grades K–6
478 students · 1.8 km away
Lone Tree Elementary
Antioch · Public elementary · Grades K–5
518 students · 2.1 km away
Muir (John) Elementary
Antioch · Public elementary · Grades K–5
660 students · 2.6 km away
Dallas Ranch Middle
Antioch · Public middle · Grades 6–8
795 students · 2.7 km away
Pioneer Elementary
Brentwood · Public elementary · Grades K–5
859 students · 3.2 km away
Almond Grove Elementary
Oakley · Public elementary · Grades K–5
427 students · 3.6 km away
Similar schools
Public middle schools in California with a comparable Enrollment.
Del Mar Middle
Tiburon · Public middle · Grades 6–8
359 students
Cesar Chavez Intermediate
Sacramento · Public middle · Grades 4–6
357 students
Lucille Whitehead Intermediate
Waterford · Public middle · Grades 4–6
355 students
Herbert C. Green Middle
Placerville · Public middle · Grades 5–8
363 students
Brown Jr. (Willie L) Middle
San Francisco · Public middle · Grades 6–8
363 students
Orchard Academies 2B
Bell · Public middle · Grades 6–8
352 students
Frequently asked questions
Is Black Diamond Middle a good school?
Black Diamond Middle has a Success Index (US) of 8.7 out of 100 (Lower 50% of middle schools in United States) and ranks #1290 of 1,334 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Black Diamond Middle rank in California?
Black Diamond Middle ranks #1290 of 1,334 middle schools in California and #15187 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Black Diamond Middle?
Black Diamond Middle had 358 students in 2025.
Is Black Diamond Middle a elementary school or a high school?
Black Diamond Middle is classified as a middle covering Grades 7–8. It is a public school.
What other schools are near Black Diamond Middle?
There are 10 schools within 15 km of Black Diamond Middle; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.