Enrollment
244
Elementary
DISTRICT 210 · STATE 378
SCHOOL COMMUNITY·DERBY SCHOOL DISTRICT·NCES 090111000174
Bradley School
155 David Humphreys Rd., Derby, CT 06418 · (203) 736-5040 · Naugatuck Valley Planning Region
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL244 STUDENTS
Student : Teacher
10.6:1
23 FTE teachers
DISTRICT 11.9:1 · STATE 12.6:1
Free / Reduced Lunch
47%
114 students
DISTRICT 51% · STATE 44%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Student demographics
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Based on grade levels within Derby School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
CT Smarter Balanced 2024-25 . % Met or Exceeded StandardEnglish Language Arts
48.2%
CT avg 50.5%
Math
47.5%
CT avg 45.9%
What this means: On the CT Smarter Balanced, Connecticut's statewide test, about 48 of every 100 students at this school read and write at grade level and about 48 of 100 do math at grade level. Across all Connecticut schools, those numbers are about 51 and 46.
Source: CT Smarter Balanced. All students, all grades. See all years and grades →
7-year change
SY 2017-18 vs SY 2024-25Enrollment
244
-35 (-13%) vs 2017
Student : Teacher
10.6:1
was 12.6:1
% White
33%
was 52%
% Hispanic
38%
was 23%
% Black
15%
was 15%
% Asian
2%
was 4%
Source: NCES Common Core of Data
About Bradley School
Bradley School is a tight-knit elementary school in Derby, Connecticut, run under Derby School District. The school caters to 244 students in grades K through 5. Enrollment runs roughly 35% leaner than the state mean of about 378.
Within Derby School District, which oversees 5 schools and 1,289 students, Bradley School is one campus in the system.
On demographics, Bradley School reports that the most-represented group is Hispanic (38%), with the rest of the student body spread across multiple groups. Beyond that, the school reports 33% White, 15% Black, 10% multiracial, 2% Asian. By comparison, Naugatuck Valley Planning Region as a whole is about 20% Hispanic, so the school skews considerably more Hispanic than its surroundings.
On the income-and-resources front, The school reports having 23 full-time-equivalent teachers, for a student-teacher ratio near 10.6:1. Statewide, the average ratio sits near 12.6:1, putting Bradley School tighter than the state norm the norm. An estimated 47% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.
In the broader community, community-level numbers for Naugatuck Valley Planning Region indicate median household earnings sit near $86,191, about 34% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 9%. In all, Naugatuck Valley Planning Region runs 121 public schools (combined enrollment of about 59,861 students), of which Bradley School is one.
Nearest neighbor: Ansonia High School, around 0.6 miles off. Counting just inside five miles, 8 other public schools cluster around Bradley School.
The school occupies a bedroom-community site.
Trend over the last 7 years. Bradley School's enrollment has decreased 13% since 2018, when it stood at 279 (now 244). White enrollment moved from 52% to 33% across the same window. Class-load math has fell: from 12.6:1 in 2018 to 10.6:1 in 2025.
On allk12, members of the Bradley School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.
Naugatuck Valley Planning Region at a glance
View full county profilePopulation
454,969
Census ACS
Median income
$86,191
Household, ACS
Bachelor's+
34%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
121
59,861 students
Quick facts
Related schools
Other schools in Derby School District
- Derby High SchoolHigh · 360 students
- Irving SchoolElementary · 322 students
- Derby Middle SchoolMiddle · 300 students
- Little Raiders UniversityElementary · 63 students
Other schools in Derby
- Derby High SchoolHigh · 360 students
- Irving SchoolElementary · 322 students
- Derby Middle SchoolMiddle · 300 students
- Little Raiders UniversityElementary · 63 students
Nearby schools
- Ansonia High School0.6 mi · 617
- Prendergast School1.0 mi · 588
- Emmett O'Brien Technical High School1.2 mi · 618
- Irving School1.4 mi · 322
- Mead School1.5 mi · 578
- Ansonia Middle School1.9 mi · 560
Frequently asked questions
About Bradley SchoolHow many students attend Bradley School?
Bradley School enrolls approximately 244 students in grades KG-05.
What grades does Bradley School serve?
Bradley School serves grades KG-05.
What is the student-teacher ratio at Bradley School?
The student-to-teacher ratio at Bradley School is approximately 10.6:1 (23 FTE teachers).
How diverse is Bradley School?
Bradley School reports a student body of 33% White, 38% Hispanic, 15% Black, 2% Asian, 10% Two or more.
What district is Bradley School in?
Bradley School is part of Derby School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.