Enrollment
205
California · 2024-25 NCES data
High school (grades 9-12) · Pittsburg, CA
Black Diamond High (Continuation)
Federal NCES profile for Black Diamond High (Continuation), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063060007821
👥 S:T ratio 52
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 73
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Black Diamond High (Continuation) earns 41/100 on the Resource Investment Index, with class sizes smaller than 93% of California schools.
- #1 of 15
- public schools in Pittsburg · Resource Index
- 41
- Resource Index · Typical
- 12.1:1
- small classes for California
- 79.7%
- free-lunch eligible
Black Diamond High (Continuation) has class sizes smaller than 93% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Black Diamond High (Continuation) ranks #1 of 15 public schools in Pittsburg, CA.
School address
District: Pittsburg Unified · California
NCES ID 063060007821 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
12.1:1
vs 21.5:1 California avg
-44% vs state
Free-lunch eligible
79.7%
vs 55.5% California avg
+44% vs state
Student-teacher ratio in context
How Black Diamond High (Continuation) compares with California and U.S. medians
What stands out at Black Diamond High (Continuation)
Black Diamond High (Continuation) is a high-poverty, mid-sized high school in Pittsburg, California, enrolling 205 students.
Classes run notably small here: at 12.1:1, Black Diamond High (Continuation) is leaner than roughly 93% of California schools and 44% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 79.7% of students eligible for free meals.
Enrollment of 205 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index outscores 93% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 566 similarly sized, similarly resourced-need California schools statewide, it ranks #52, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (68%) and African American (22%) (diversity index 48/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 137 students per counselor, inside the American School Counselor Association's recommended 250:1.
Among Pittsburg's high schools, it stands alongside Pittsburg Senior High (3,403 students): Black Diamond High (Continuation) is smaller than that campus by headcount and runs leaner classes (12.1:1 vs 22.7:1).
Pittsburg Unified also operates Pittsburg Senior High (3,403 students) and Hillview Junior High (893 students) alongside Black Diamond High (Continuation).
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Black Diamond High (Continuation) compares
Black Diamond High (Continuation) on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.1:1 | ▼ 44% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 79.7% | ▲ 44% | 55.5% | 51.7% |
| Enrollment | 205 | top 82% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.1:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
205
Bigger than 20% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
79.7%
free-lunch eligible
- 44% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12.1:1
students per teacher
- 44% below state mean
Top 7% in California - lower ratio than 93% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$15,451
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.5 FTE
Per 137 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 22 out-of-school
Suspension rate: 3.9 per 100 students. Combined in-school and out-of-school rate: 14.6 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 68.3%
African American 22.4%
Two or More 4.9%
White 2.9%
Asian 1.0%
Native Hawaiian / Pacific Islander 0.5%
Largest group: Hispanic or Latino at 68.3% of enrollment.
Student-body diversity index 48.0/100
Simpson diversity index - at 48.0, Black Diamond High (Continuation) is more mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Pittsburg Unified, which includes Black Diamond High (Continuation).
$15,451
Per student
-6%
vs California
Avg $16,509
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 25.7%
State 65.3%
Federal 9.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Black Diamond High (Continuation) Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Pittsburg Senior High | Larger | Lower economic need | Higher S:T ratio |
| Hillview Junior High | Larger | Lower economic need | Higher S:T ratio |
| Rancho Medanos Junior High | Larger | Similar economic need | Higher S:T ratio |
| Martin Luther King Jr. Junior High | Larger | Similar economic need | Higher S:T ratio |
| Los Medanos Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Black Diamond High (Continuation)'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,403
- Students per teacher
- 22.7:1
- Resource Index
- 18/100
- Enrollment
- 893
- Students per teacher
- 22.3:1
- Resource Index
- 13/100
- Enrollment
- 812
- Students per teacher
- 23.2:1
- Resource Index
- 20/100
- Enrollment
- 706
- Students per teacher
- 22.1:1
- Resource Index
- 18/100
- Enrollment
- 665
- Students per teacher
- 22.9:1
- Resource Index
- 10/100
Similar high schools in Pittsburg
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~205 students)
Next steps
Verify locally before acting on Black Diamond High (Continuation)'s federal record.
- Compare Black Diamond High (Continuation) against another school. Compare schools
- Pittsburg Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Black Diamond High (Continuation)
How many students attend Black Diamond High (Continuation)?
Black Diamond High (Continuation) has 205 students enrolled. It is a high school in Pittsburg, CA.
What is the student-teacher ratio at Black Diamond High (Continuation)?
The student-teacher ratio at Black Diamond High (Continuation) is 12.1:1, which is 44% lower than the California average of 21.5:1 and 23% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Black Diamond High (Continuation)?
79.7% of students at Black Diamond High (Continuation) are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Black Diamond High (Continuation)?
The largest demographic group at Black Diamond High (Continuation) is Hispanic or Latino at 68.3% of enrollment, in Pittsburg, CA.
What is the Resource Investment Index for Black Diamond High (Continuation)?
Black Diamond High (Continuation) has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Black Diamond High (Continuation) rank among public schools in Pittsburg?
By Resource Investment Index, Black Diamond High (Continuation) ranks #1 of 15 public schools in Pittsburg, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Pittsburg on the city page.
Is Black Diamond High (Continuation) a good school?
Black Diamond High (Continuation) earns 41/100 on the Resource Investment Index, with class sizes smaller than 93% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Pittsburg Unified?
Besides Black Diamond High (Continuation), Pittsburg Unified also operates Pittsburg Senior High (3,403 students), Hillview Junior High (893 students), and Rancho Medanos Junior High (812 students). See the Pittsburg Unified district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.