For the 2026-27 school year, there are 3 public schools serving 762 students in Thomaston, CT (there are 1 private school, serving 142 private students). 84% of all K-12 students in Thomaston, CT are educated in public schools (compared to the CT state average of 88%).
The top-ranked public schools in Thomaston, CT are Thomaston Center School, Black Rock School and Thomaston High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Thomaston, CT public schools have an average math proficiency score of 41% (versus the Connecticut public school average of 42%), and reading proficiency score of 54% (versus the 51% statewide average). Schools in Thomaston have an average ranking of 4/10, which is in the bottom 50% of Connecticut public schools.
Minority enrollment is 20% of the student body (majority Hispanic), which is less than the Connecticut public school average of 55% (majority Hispanic).
Best Public Schools in Thomaston, CT (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Thomaston Center School
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
6/
Top 50%10
1 Thomas Ave.
Thomaston, CT 06787
(860) 283-3036
Thomaston, CT 06787
(860) 283-3036
Gr: 4-6 | 196 students Student-teacher ratio: 14:1 Minority enrollment: 20%
Rank: #22.
Black Rock School
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
57 Branch Rd.
Thomaston, CT 06787
(860) 283-3040
Thomaston, CT 06787
(860) 283-3040
Gr: PK-3 | 259 students Student-teacher ratio: 11:1 Minority enrollment: 23%
Rank: #33.
Thomaston High School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
185 Branch Rd.
Thomaston, CT 06787
(860) 283-3030
Thomaston, CT 06787
(860) 283-3030
Gr: 7-12 | 307 students Student-teacher ratio: 11:1 Minority enrollment: 17%
Thomaston, Connecticut Public Schools (Closed)
School
Location
Quick Facts
Alternative Community Education High School (Closed 2006)
Alternative School
Thomas Ave.
Thomaston, CT 06787
(860) 283-3029
Thomaston, CT 06787
(860) 283-3029
Gr: 9-12
Frequently Asked Questions
What are the top-ranked public schools in Thomaston, CT?
The top-ranked public schools in Thomaston, CT include Thomaston Center School, Black Rock School and Thomaston High School.
How many public schools are located in Thomaston?
3 public schools are located in Thomaston.
What percentage of students in Thomaston go to public school?
84% of all K-12 students in Thomaston are educated in public schools (compared to the CT state average of 88%).
What is the racial composition of students in Thomaston?
Thomaston public schools minority enrollment is 20% of the student body (majority Hispanic), which is less than the Connecticut public schools average of 55% (majority Hispanic).
Which public schools in Thomaston are often viewed compared to one another?
Popular comparisons of public schools in Thomaston include: Thomaston High School vs. Thomaston Center School
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