Black Diamond Middle

Public middle school, grades 7 to 8 · Antioch, California

Black Diamond Middle in Antioch, California enrolled 358 students in 2024-25 with 16.8 full-time teachers, 21.3 students per teacher against the California middle-school median of 21.0. It has no Title I status on file for 2021-22; every student eats free under the Community Eligibility Provision (2024-25). On the state tests, 15-19% of its students tested were proficient in reading in 2021-22 and 9% proficient in math in 2022-23 (California: 45% and 34.3%).

NCES Common Core of Data 2024-25 · Civil Rights Data Collection 2021-22 · Title I status CCD 2021-22 · method

Enrollment fell 3% from 2022-23 to 2024-25; full-time teachers rose 6%

369 students in 2022-23, 343 students in 2023-24, 358 students in 2024-25. Full-time teachers went from 15.8 to 16.8.

Students enrolled at Black Diamond Middle by school year2022-23: 369, 2023-24: 343, 2024-25: 35801002003004002022-233692023-243432024-25358
Students enrolled at Black Diamond Middle by school year2022-23: 369, 2023-24: 343, 2024-25: 35801002003004002022-233692023-243432024-25358
Students enrolled at Black Diamond Middle by school year2022-23: 369, 2023-24: 343, 2024-25: 35801002003004002022-233692023-243432024-25358
Students enrolled at Black Diamond Middle by school year2022-23: 369, 2023-24: 343, 2024-25: 35801002003004002022-233692023-243432024-25358
The numbers as a table
School yearStudentsTeachers (FTE)Per teacher
2022-2336915.823.3
2023-2434318.019.0
2024-2535816.821.3

21.3 students per teacher, a higher ratio than 54 of every 100 California middle schools

Among the 1,353 California middle schools that reported teachers for 2024-25 the median is 21.0; the national median for middle schools is 14.6. A ratio counts every teacher, so it is not the size of a class.

Students per teacher, California middle schools, 2024-25240 values from 3.1 to 52.3; Black Diamond Middle 21.3; state median 21.0.3 more above 30.0 →0102030students per full-time teacherBlack Diamond Middle 21.3state median 21.0U.S. 14.6
Students per teacher, California middle schools, 2024-25240 values from 3.1 to 52.3; Black Diamond Middle 21.3; state median 21.0.3 more above 30.0 →0102030students per full-time teacherBlack Diamond Middle 21.3state median 21.0U.S. 14.6
Students per teacher, California middle schools, 2024-25240 values from 3.1 to 52.3; Black Diamond Middle 21.3; state median 21.0.3 more above 30.0 →0102030students per full-time teacherBlack Diamond Middle 21.3state median 21.0U.S. 14.6
Students per teacher, California middle schools, 2024-25240 values from 3.1 to 52.3; Black Diamond Middle 21.3; state median 21.0.3 more above 30.0 →0102030students per full-time teacherBlack Diamond Middle 21.3state median 21.0U.S. 14.6

Source: NCES Common Core of Data membership and staff files, 2022-23, 2023-24, 2024-25; the comparison counts schools with a 2024-25 teacher count and a ratio from 3 to 99 (lower values are reporting errors).

One counselor per 343 students in 2021-22

In the 2021-22 civil rights collection Black Diamond Middle enrolled 343 students and had 1.0 counselor (full-time equivalent); it reported 58 out-of-school suspensions that year.

  • Advanced Placement coursesNone
  • Gifted and talented programYes
  • Counselors (FTE)1.0, one per 343 of the 343 students enrolled in 2021-22
  • Out-of-school suspensions58
  • Chronically absent37.9% (2022-23)

Who attends

41.9% of students were Hispanic, 32.7% Black, 8.9% Asian in 2024-25.

  1. Hispanic41.9%
  2. Black32.7%
  3. Asian8.9%
  4. White8.4%
  5. Two or more races6.4%
  6. Pacific Islander1.1%
  7. American Indian0.6%

Source: U.S. Department of Education, Civil Rights Data Collection 2021-22; chronic absenteeism from EDFacts 2022-23; every count and the counselor ratio are for that school year. Who attends: NCES Common Core of Data 2024-25, membership by race and ethnicity.

State test results, 2021-22 and 2022-23

The students tested at Black Diamond Middle scored proficient or above: 15-19% in reading in 2021-22 and 9% in math in 2022-23, against 45% in reading in 2021-22 and 34.3% in math in 2022-23 across California. Each state writes its own test and sets its own proficiency bar, so compare these within California, not across states. ED Data Express holds no district results after 2021-22, so the district column gives its 2021-22 figure. Where a state published results by grade only, the grades tested are combined, weighted by the students tested in each.

Students proficient or above, 2021-22 and 2022-23
Subject and yearThis schoolIts districtCalifornia
Reading and language arts, 2021-2215‑19%24%45%
Math, 2022-239%13% (2021-22)34.3%

Source: U.S. Department of Education, EDFacts state assessment results 2021-22 and 2022-23, all students, from ED Data Express (2021-22 through the Data Rescue Project archive); for 2022-23 ED published math by school and reading only by state: ED shows school and district results as ranges (for example 20-24%) to protect small groups.

Middle schools in Antioch

4 public middle schools in Antioch report 2024-25 enrollment; Black Diamond Middle is number 4 by size.

SchoolStudentsPer teacherFree lunch
Park Middle1,05522.279.4%
Dallas Ranch Middle79523.967.7%
Antioch Middle66521.586.5%
Black Diamond Middle35821.371.2%

All public schools in Antioch →

Source: NCES Common Core of Data 2024-25.

What to look at next about Black Diamond Middle

  1. Dallas Ranch MiddleThe nearest public middle school, 1.7 miles away: 795 students, 23.9 per teacher (2024-25).1.7 mi
  2. Park MiddleThe next nearest public middle school, 3.0 miles away: 1,055 students, 22.2 per teacher (2024-25).3.0 mi
  3. Compare Black Diamond Middle with Dallas Ranch MiddleStudents, teachers, meals, test results and who attends, side by side.
  4. How much Antioch Unified spends per student$17,751 per student on current operations in fiscal year 2022-23 (U.S. $16,260), with its revenue sources and teacher pay.$17,751
  5. The largest public schools in CaliforniaBlack Diamond Middle is the number 1,126 by size of 1,363 California middle schools open in 2024-25.#1,126 of 1,363
  6. California schools by students per teacher21.3 students per teacher here against the California median of 21.0 for middle schools.21.3:1
  7. Find the school district for an addressA home's district, not its city, decides which public schools it can enroll in.

Source: NCES Common Core of Data 2024-25 (locations, enrollment, teachers); NCES F-33 finance survey, fiscal year 2022-23. Distances are straight lines between the schools' NCES coordinates, not travel routes.

Questions about Black Diamond Middle

  1. How many students attend Black Diamond Middle?
    358 in the 2024-25 school year, according to the NCES Common Core of Data; 369 in 2022-23. It is a middle school in Antioch, CA.
  2. What is the student-teacher ratio at Black Diamond Middle?
    21.3 students per full-time teacher (2024-25); the California median for middle schools is 21.0. A ratio counts every teacher, so it is not the size of a class.
  3. Is Black Diamond Middle a Title I school?
    Black Diamond Middle has no Title I status in the NCES school files, because California did not report school Title I status for 2021-22; the California Department of Education lists each school's current Title I status.
  4. How do students at Black Diamond Middle do on state tests?
    The students tested at Black Diamond Middle scored proficient or above: 15-19% in reading in 2021-22 and 9% in math in 2022-23, against 45% in reading in 2021-22 and 34.3% in math in 2022-23 across California. California's own test sets what proficient means, so results compare within the state, not across states. Source: U.S. Department of Education, EDFacts state assessment results, 2021-22 and 2022-23; ED publishes school results as ranges to protect small groups.
  5. What district is Black Diamond Middle in?
    Antioch Unified, NCES district ID 0602850. The first seven digits of the school's NCES ID 060285004440 are the district's.

Reading these figures: how to choose a school district, what Title I means and what an absenteeism rate means. They are for information and are not a substitute for the school's or district's own records.

Sources

Every federal file behind this record
  • NCES Common Core of Data, 2024-25: directory, membership, staff and lunch files. nces.ed.gov
  • NCES Common Core of Data, 2021-22 school characteristics: Title I status. nces.ed.gov
  • Civil Rights Data Collection, 2021-22: AP courses, gifted programs, counselors, discipline. civilrightsdata.ed.gov
  • EDFacts, 2022-23: chronic absenteeism. ed.gov
  • EDFacts state assessment results, 2021-22 and 2022-23: reading and math proficiency for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
  • NCES F-33 School District Finance Survey, fiscal year 2022-23: district spending and revenue. nces.ed.gov
  • U.S. Census Bureau geocoder and TIGER school districts: the district boundary used by the district finder. census.gov

Source: NCES Common Core of Data Directory, membership, staff and lunch files · 2024-25

Source: Civil Rights Data Collection School-level files (AP, gifted, counselors, discipline) · 2021-22

District spending on the district page is from the NCES F-33 finance survey, fiscal year 2022-23.

Compiled from official source data by .