For the 2026 school year, there are 5 public schools serving 1,289 students in Derby, CT (there are 1 private school, serving 162 private students). 89% of all K-12 students in Derby, CT are educated in public schools (compared to the CT state average of 88%).
The top-ranked public schools in Derby, CT are Bradley School, Derby Middle School and Derby High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Derby, CT public schools have an average math proficiency score of 20% (versus the Connecticut public school average of 42%), and reading proficiency score of 36% (versus the 51% statewide average). Schools in Derby have an average ranking of 1/10, which is in the bottom 50% of Connecticut public schools.
Minority enrollment is 75% of the student body (majority Hispanic), which is more than the Connecticut public school average of 55% (majority Hispanic).
Best Public Schools in Derby, CT (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Bradley School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
155 David Humphreys Rd.
Derby, CT 06418
(203) 736-5040
Derby, CT 06418
(203) 736-5040
Gr: K-5 | 244 students Student-teacher ratio: 11:1 Minority enrollment: 67%
Rank: #22.
Derby Middle School
(Math: 18% | Reading: 35%)
Rank:
Rank:
3/
Bottom 50%10
73 Chatfield Street
Derby, CT 06418
(203) 736-1426
Derby, CT 06418
(203) 736-1426
Gr: 6-8 | 300 students Student-teacher ratio: 13:1 Minority enrollment: 74%
Rank: #33.
Derby High School
(Math: 6-9% | Reading: 40-49%)
Rank:
Rank:
3/
Bottom 50%10
75 Chatfield Street
Derby, CT 06418
(203) 736-5032
Derby, CT 06418
(203) 736-5032
Gr: 9-12 | 360 students Student-teacher ratio: 10:1 Minority enrollment: 76%
Rank: #44.
Irving School
(Math: 15-19% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
9 Garden Place
Derby, CT 06418
(203) 736-5043
Derby, CT 06418
(203) 736-5043
Gr: K-5 | 322 students Student-teacher ratio: 9:1 Minority enrollment: 82%
Rank: n/an/a
75 Chatfield Street
Derby, CT 06418
(203) 446-4224
Derby, CT 06418
(203) 446-4224
Gr: PK | 63 students Student-teacher ratio: 16:1 Minority enrollment: 68%
Frequently Asked Questions
What are the top-ranked public schools in Derby, CT?
The top-ranked public schools in Derby, CT include Bradley School, Derby Middle School and Derby High School.
How many public schools are located in Derby?
5 public schools are located in Derby.
What percentage of students in Derby go to public school?
89% of all K-12 students in Derby are educated in public schools (compared to the CT state average of 88%).
What is the racial composition of students in Derby?
Derby public schools minority enrollment is 75% of the student body (majority Hispanic), which is more than the Connecticut public schools average of 55% (majority Hispanic).
Recent Articles
Gifted, Honors, and Advanced Tracks: Are They Accessible or Just Advertised?
Learn how to evaluate gifted, honors, and advanced academic programs in public schools, including admission criteria, equity, and the questions every parent should ask.
Algebra Readiness: What Parents Should Ask Before Middle School
Discover how to determine if your child is ready for algebra before middle school, including the questions parents should ask and the skills students need to succeed.
How to Evaluate Reading Instruction in Your Zoned Elementary School
Learn how to evaluate reading instruction in your neighborhood elementary school by recognizing effective literacy practices, asking the right questions, and understanding what quality reading instruction looks like.