Enrollment
439
Connecticut · 2024-25 NCES data
Other / mixed grade configuration · Bridgeport, CT
Black Rock School
Federal NCES profile for Black Rock School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090045000052
👥 S:T ratio 47
🌟 Gifted program 30
🎓 Counselors 12
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Black Rock School earns 38/100 on the Resource Investment Index, with class sizes larger than 79% of Connecticut schools.
- #12 of 34
- schools in Bridgeport · Resource Index
- 38
- Resource Index · Typical
- 13.3:1
- large classes for Connecticut
- 60.0%
- free-lunch eligible
Black Rock School has class sizes larger than 79% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Black Rock School ranks #12 of 34 schools in Bridgeport, CT.
School address
District: Bridgeport School District · Connecticut
NCES ID 090045000052 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 12.1:1 Connecticut avg
+10% vs state
Free-lunch eligible
60.0%
vs 36.4% Connecticut avg
+65% vs state
Student-teacher ratio in context
How Black Rock School compares with Connecticut and U.S. medians
What stands out at Black Rock School
Black Rock School is a higher-need, mid-sized combined-grade school in Bridgeport, Connecticut, enrolling 439 students.
Class loads run somewhat heavier than typical: 13.3:1 puts it in the larger third of Connecticut schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 60.0% of students eligible for free meals.
With 439 students, its enrollment sits close to the Connecticut median campus size.
Its Resource Investment Index lands in the lower third of 1,003 scored Connecticut schools.
Against 165 statewide peers matched on enrollment and economic need, it ranks mid-pack at #83.
Its student body is led by Hispanic or Latino (60%) and White (22%) (diversity index 56/100).
Counselor access is stretched at roughly 439 students per counselor, well above the ASCA-recommended 250:1 ceiling.
15.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 18.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Bridgeport's public schools, it stands alongside Achievement First Bridgeport Academy (1,090 students): Black Rock School is smaller than that campus by headcount and runs leaner classes (13.3:1 vs 20.6:1).
Bridgeport School District also operates Central High School (1,803 students) and Warren Harding High School (1,324 students) alongside Black Rock School.
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 Rock School compares
Black Rock School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.3:1 | ▲ 10% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 60.0% | ▲ 65% | 36.4% | 51.7% |
| Enrollment | 439 | top 44% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
439
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
60.0%
free-lunch eligible
- 65% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
13.3:1
students per teacher
- 10% above state mean
Top 79% in Connecticut - lower ratio than 21% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,908
per pupil, district-wide
- below Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 439 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 3 out-of-school
Suspension rate: 2.5 per 100 students. Combined in-school and out-of-school rate: 3.2 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 59.9%
White 22.3%
African American 16.6%
Asian 0.9%
Two or More 0.2%
Largest group: Hispanic or Latino at 59.9% of enrollment.
Student-body diversity index 56.4/100
Simpson diversity index - at 56.4, Black Rock School is more mixed than the Connecticut school average of 50.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Bridgeport School District, which includes Black Rock School.
$20,908
Per student
-12%
vs Connecticut
Avg $23,870
+26%
vs U.S.
Avg $16,593
Revenue mix
Local 20.0%
State 61.5%
Federal 18.5%
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 Rock School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central High School | Larger | Similar economic need | Higher S:T ratio |
| Warren Harding High School | Larger | Higher economic need | Higher S:T ratio |
| Blackham School | Larger | Similar economic need | Higher S:T ratio |
| Bassick High School | Larger | Higher economic need | Higher S:T ratio |
| Cesar Batalla School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Black Rock School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,803
- Students per teacher
- 19:1
- Resource Index
- 34/100
- Enrollment
- 1,324
- Students per teacher
- 17.7:1
- Resource Index
- 31/100
- Enrollment
- 1,088
- Students per teacher
- 17.3:1
- Resource Index
- 26/100
- Enrollment
- 1,075
- Students per teacher
- 16.3:1
- Resource Index
- 43/100
- Enrollment
- 990
- Students per teacher
- 14.8:1
- Resource Index
- 26/100
Similar other schools in Bridgeport
6 comparable other schools (grades Mixed) serving the same city.
Achievement First Bridgeport Academy
Standard public school
1,090 students 20.6:1 students per teacher
Blackham School
Standard public school
1,088 students 17.3:1 students per teacher
Cesar Batalla School
Standard public school
990 students 14.8:1 students per teacher
Read School
Standard public school
863 students 16.3:1 students per teacher
Geraldine Johnson School
Standard public school
825 students 15.3:1 students per teacher
Capital Preparatory Harbor School
Standard public school
775 students 25.8:1 students per teacher
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~439 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on Black Rock School's federal record.
- Compare Black Rock School against another school. Compare schools
- Bridgeport School District'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 Rock School
How many students attend Black Rock School?
Black Rock School has 439 students enrolled. It is a public school in Bridgeport, CT.
What is the student-teacher ratio at Black Rock School?
The student-teacher ratio at Black Rock School is 13.3:1, which is 10% higher than the Connecticut average of 12.1:1 and 15% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Black Rock School?
60.0% of students at Black Rock School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Black Rock School?
The largest demographic group at Black Rock School is Hispanic or Latino at 59.9% of enrollment, in Bridgeport, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.4/100.
What is the Resource Investment Index for Black Rock School?
Black Rock School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Black Rock School rank among schools in Bridgeport?
By Resource Investment Index, Black Rock School ranks #12 of 34 schools in Bridgeport, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Bridgeport on the city page.
Is Black Rock School a good school?
Black Rock School earns 38/100 on the Resource Investment Index, with class sizes larger than 79% of Connecticut 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 Bridgeport School District?
Besides Black Rock School, Bridgeport School District also operates Central High School (1,803 students), Warren Harding High School (1,324 students), and Blackham School (1,088 students). See the Bridgeport School District 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.