Enrollment
244
Connecticut · 2024-25 NCES data
Elementary school (grades K-5) · Derby, CT
Bradley School
Federal NCES profile for Bradley School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 090111000174
👥 S:T ratio 58
🌟 Gifted program 30
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Bradley School earns 45/100 on the Resource Investment Index, with class sizes smaller than 70% of Connecticut schools. It is also more racially and ethnically mixed than most Connecticut schools.
- #2 of 5
- public schools in Derby · Resource Index
- 45
- Resource Index · Typical
- 10.6:1
- small classes for Connecticut
- 46.0%
- free-lunch eligible
Bradley School has class sizes smaller than 70% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Bradley School ranks #2 of 5 public schools in Derby, CT.
School address
District: Derby School District · Connecticut
NCES ID 090111000174 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
10.6:1
vs 12.1:1 Connecticut avg
-12% vs state
Free-lunch eligible
46.0%
vs 36.4% Connecticut avg
+26% vs state
Student-teacher ratio in context
How Bradley School compares with Connecticut and U.S. medians
What stands out at Bradley School
Bradley School is a small elementary school in Derby, Connecticut, enrolling 244 students.
Class sizes run a bit leaner than typical: 10.6:1 puts it in the smaller third of Connecticut schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 46.0% of students eligible for free meals.
Enrollment of 244 puts it in the smaller third of Connecticut schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,003 scored Connecticut schools.
Against 111 statewide peers matched on enrollment and economic need, it ranks mid-pack at #57.
Its student body is led by Hispanic or Latino (38%) and White (33%), more mixed than most schools in the state (diversity index 71/100).
Attendance runs somewhat below the norm, with 21.3% of students chronically absent per the 2021-22 civil-rights collection.
Among Derby's elementary schools, it stands alongside Irving School (322 students): Bradley School is smaller than that campus by headcount and runs heavier classes (10.6:1 vs 8.5:1).
Derby School District also operates Derby High School (360 students) and Irving School (322 students) alongside Bradley 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 Bradley School compares
Bradley 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 | 10.6:1 | ▼ 12% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 46.0% | ▲ 26% | 36.4% | 51.7% |
| Enrollment | 244 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.6:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
244
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
46.0%
free-lunch eligible
- 26% 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
10.6:1
students per teacher
- 12% below state mean
Top 30% in Connecticut - lower ratio than 70% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
21.3%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$26,432
per pupil, district-wide
- above 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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 3 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 2.5 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 37.7%
White 33.2%
African American 15.2%
Two or More 9.8%
Asian 2.5%
Native Hawaiian / Pacific Islander 1.6%
Largest group: Hispanic or Latino at 37.7% of enrollment.
Student-body diversity index 71.4/100
Simpson diversity index - at 71.4, Bradley School is more mixed than the Connecticut school average of 50.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Derby School District, which includes Bradley School.
$26,432
Per student
+11%
vs Connecticut
Avg $23,870
+59%
vs U.S.
Avg $16,593
Revenue mix
Local 47.4%
State 40.8%
Federal 11.8%
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 Bradley School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Derby High School | Larger | Similar economic need | Similar S:T ratio |
| Irving School | Larger | Higher economic need | Lower S:T ratio |
| Derby Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Little Raiders University | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Bradley School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 360
- Students per teacher
- 9.5:1
- Resource Index
- 42/100
- Enrollment
- 322
- Students per teacher
- 8.5:1
- Resource Index
- 45/100
- Enrollment
- 300
- Students per teacher
- 10:1
- Resource Index
- 50/100
- Enrollment
- 63
- Students per teacher
- 15.8:1
- Resource Index
- 33/100
Similar elementary schools in Derby
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~244 students)
Next steps
Verify locally before acting on Bradley School's federal record.
- Compare Bradley School against another school. Compare schools
- Derby 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 Bradley School
How many students attend Bradley School?
Bradley School has 244 students enrolled. It is an elementary school in Derby, CT.
What is the student-teacher ratio at Bradley School?
The student-teacher ratio at Bradley School is 10.6:1, which is 12% lower than the Connecticut average of 12.1:1 and 32% 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 Bradley School?
46.0% of students at Bradley School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Bradley School?
The largest demographic group at Bradley School is Hispanic or Latino at 37.7% of enrollment, in Derby, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.4/100.
What is the Resource Investment Index for Bradley School?
Bradley School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Bradley School rank among public schools in Derby?
By Resource Investment Index, Bradley School ranks #2 of 5 public schools in Derby, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Derby on the city page.
Is Bradley School a good school?
Bradley School earns 45/100 on the Resource Investment Index, with class sizes smaller than 70% of Connecticut schools. It is also more racially and ethnically mixed than most 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 Derby School District?
Besides Bradley School, Derby School District also operates Derby High School (360 students), Irving School (322 students), and Derby Middle School (300 students). See the Derby 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.