For the 2025-26 school year, there are 3 public schools serving 1,287 students in 06239, CT (there are 1 private school, serving 202 private students). 86% of all K-12 students in 06239, CT are educated in public schools (compared to the CT state average of 88%).
The top-ranked public schools in 06239, CT are Quinebaug Middle College, Killingly Memorial School and H. H. Ellis Technical High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 06239 have an average math proficiency score of 23% (versus the Connecticut public school average of 42%), and reading proficiency score of 39% (versus the 51% statewide average). Schools in 06239, CT have an average ranking of 2/10, which is in the bottom 50% of Connecticut public schools.
Minority enrollment is 22% of the student body (majority Hispanic), which is less than the Connecticut public school average of 54% (majority Hispanic).
Best 06239, CT Public Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Quinebaug Middle College
Magnet School
(Math: 21-39% | Reading: 50-59%)
Rank:
Rank:
5/
Bottom 50%10
742 Upper Maple St.
Danielson, CT 06239
(860) 932-4100
Danielson, CT 06239
(860) 932-4100
Gr: 9-12 | 152 students Student-teacher ratio: 14:1 Minority enrollment: 23%
Rank: #22.
Killingly Memorial School
(Math: 28% | Reading: 41%)
Rank:
Rank:
4/
Bottom 50%10
339 Main St.
Danielson, CT 06239
(860) 779-6680
Danielson, CT 06239
(860) 779-6680
Gr: 2-4 | 485 students Student-teacher ratio: 12:1 Minority enrollment: 27%
Rank: #33.
H. H. Ellis Technical High School
Vocational School
(Math: 10-14% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
613 Upper Maple St.
Danielson, CT 06239
(860) 412-7500
Danielson, CT 06239
(860) 412-7500
Gr: 9-12 | 650 students Student-teacher ratio: 11:1 Minority enrollment: 19%
06239, Connecticut Public Schools (Closed)
School
Location
Quick Facts
Killingly Alternative Learning Program (Closed 2023)
Alternative School
79 Westfield Ave
Danielson, CT 06239
(860) 779-6660
Danielson, CT 06239
(860) 779-6660
Gr: 9-12 | 16 students Student-teacher ratio: 8:1
Frequently Asked Questions
What are the top-ranked public schools in 06239, CT?
The top-ranked public schools in 06239, CT include Quinebaug Middle College, Killingly Memorial School and H. H. Ellis Technical High School.
How many public schools are located in 06239?
3 public schools are located in 06239.
What percentage of students in 06239 go to public school?
86% of all K-12 students in 06239 are educated in public schools (compared to the CT state average of 88%).
What is the racial composition of students in 06239?
06239 public schools minority enrollment is 22% of the student body (majority Hispanic), which is less than the Connecticut public schools average of 54% (majority Hispanic).
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