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5.3 avg / 10

Derby School District

School District · Derby, Connecticut

Students: 1,345
Teachers (FTE): 127
Estimated Scores: 20%

Avg Rating

5.3

out of 10

Schools

5

2 elem, 1 mid, 1 high

Per-Pupil Spending

$28,158

Student-Teacher Ratio

10.6:1

District shortlistschools + peers

Evaluating Derby School District?

A district shares budget, policy, and attendance zones across its schools — use this page to judge Derby School District as a whole, then compare how its individual schools differ.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Bradley School

7.7/10

Derby · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.

Irving School

5.1/10

Derby · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.

Derby High School

4.7/10

Derby · High. Compare this profile against district averages, level fit, and attendance-zone reality below.

How this district compares

Connecticut rank

#110 of 134

districts by avg. composite

Vs. state average

-1.0

below Connecticut avg

Per-pupil spending

$28,158

+$3,153 vs Connecticut median

District size

1,345 students

Smaller than Connecticut median

The short answer

Derby School District ranks #110 of 134 Connecticut districts by overall school rating. Derby School District's schools with real test data average 5.5/10 across 4 schools. Its top-rated schools are Bradley School (7.7/10), Irving School (5.1/10), and Derby High School (4.7/10). Schools with estimated (proxy) scores are excluded from this ranking.

Top-Rated Schools in Derby School District

Ranked by MySchoolScout composite rating using only schools with real test data (4 of 5). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.

# School Rating
1 Bradley School 7.7 / 10
2 Irving School 5.1 / 10
3 Derby High School 4.7 / 10
4 Derby Middle School 4.7 / 10

See all 5 schools — including those with estimated data — in the full directory below. How we rate schools.

About Derby School District

Derby School District is a Derby, Connecticut school district serving 5 schools. The district educates 1,345 students with a student-teacher ratio of 10.6:1. The district invests $28,158 per student annually.

With an average rating of 5.3/10, Derby School District demonstrates solid academic performance.

The highest-rated school in the district is Bradley School, which has a composite score of 7.7/10.

In standardized testing, Derby School District students show an average math proficiency of 37.5% and ELA proficiency of 47.6%.

The district includes 2 elementary schools , 1 middle school , and 1 high school.

District Map

Schools in Derby School District, colored by MySchoolScout rank. Click a pin for details.

District Average Test Scores

Math Proficiency 37.5%
School
State
N/A
ELA Proficiency 47.6%
School
State
N/A

Average proficiency across all schools in Derby School District with test data.

Schools in Derby School District

5 schools

District Details

City
Derby
Total Enrollment
1,345
Teachers (FTE)
127
Child Poverty Rate
0.1%
Data Year
2023

Frequently Asked Questions

How many schools are in Derby School District?

Derby School District has 5 schools in total — 2 elementary, 1 middle, and 1 high schools. You can explore each school's ratings and details on this page.

What is the average rating for Derby School District?

The average composite rating for Derby School District is 5.3/10. This score is calculated from the individual ratings of all schools with academic data in the district.

What is the per-pupil spending in Derby School District?

Derby School District spends $28,158 per student per year.

What is the student-teacher ratio in Derby School District?

The average student-teacher ratio in Derby School District is 10.6:1.

What is the top-rated school in Derby School District?

Bradley School is the highest-rated school in Derby School District with a composite score of 7.7/10.

What are the test scores in Derby School District?

Across schools in Derby School District with test data, the average math proficiency is 37.5% and the average ELA (reading/writing) proficiency is 47.6%. These figures represent the percentage of students meeting or exceeding grade-level standards.

How does Derby School District compare to other districts in Connecticut?

Derby School District has an average school rating of 5.3/10 across 5 schools. Families can compare this to other districts in Connecticut by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.

How does MySchoolScout rate schools?

MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.

District Averages

Overall Rating
5.3/10
Math Proficiency
37.5%
ELA Proficiency
47.6%

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

Data from NCES Common Core of Data, Connecticut Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.

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