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Best Public Schools in Thomaston, CT

Coming soon: We're expecting this year's test scores from the Connecticut Department of Education any day now — new rankings will be posted the moment they're released!

Coming soon: This year's test scores are expected from the Connecticut Department of Education any day now — new rankings will follow the moment they're released!

At a glance

Schools

762

Students

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Summary:

The city of Thomaston, Connecticut, is home to three schools that serve students from elementary through high school: Thomaston High School, Black Rock School, and Thomaston Center School. These schools are part of the Thomaston School District.

Among the three schools, Thomaston High School stands out as the top performer, ranking 58th out of 200 Connecticut high schools and earning a 4-star rating. The high school boasts an 88.4% four-year graduation rate and consistently outperforms the district and state averages on standardized assessments. In contrast, all three schools in the district have higher-than-average chronic absenteeism rates, with around 17.7% of students chronically absent.

Regarding student demographics, the schools in Thomaston serve a significant population of students from low-income families, with 36.27% of students at Thomaston High School, 36.57% at Black Rock School, and 42.64% at Thomaston Center School receiving free or reduced-price lunch. Additionally, Thomaston High School has a lower student-teacher ratio of 9.9, compared to 12.1 at Black Rock School and 13.3 at Thomaston Center School.

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking ()				Ranking ()				NGSS Science (2025)			SBAC English Language Arts (2025)					SBAC Mathematics (2025)					Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score ()	Statewide Rank ()	State Percentile ()	SchoolDigger Rating ()	Average Standard Score ()	Statewide Rank ()	State Percentile ()	Rank Change from Previous Year	NGSS Science 5th Grade	NGSS Science 8th Grade	NGSS Science 11th Grade	SBAC English Language Arts 3rd Grade	SBAC English Language Arts 4th Grade	SBAC English Language Arts 5th Grade	SBAC English Language Arts 6th Grade	SBAC English Language Arts 8th Grade	SBAC Mathematics 4th Grade	SBAC Mathematics 5th Grade	SBAC Mathematics 6th Grade	SBAC Mathematics 7th Grade	SBAC Mathematics 8th Grade	Total
Black Rock School	Public	PK, KG-3	57 Branch Rd.	Thomaston	06787	Naugatuck Valley Planning Region	Thomaston School District	No	No	No	Yes	(860) 283-3040	259	24	10.8	37.5%	199 (76.8%)	6 (2.3%)	38 (14.7%)	8 (3.1%)	0 (0.0%)	0 (0.0%)	8 (3.1%)								(n/a)				38.3										$22,240
Thomaston High School	Public	7-12	185 Branch Rd.	Thomaston	06787	Naugatuck Valley Planning Region	Thomaston School District	No	No	No	No	(860) 283-3030	307	29	10.7	35.8%	254 (82.7%)	5 (1.6%)	34 (11.1%)	4 (1.3%)	0 (0.0%)	0 (0.0%)	10 (3.3%)								(n/a)		70.3	57.1					56.3				51.9	56.3	$26,698
Thomaston Center School	Public	4-6	1 Thomas Ave.	Thomaston	06787	Naugatuck Valley Planning Region	Thomaston School District	No	No	No	Yes	(860) 283-3036	196	14	14.2	46.4%	156 (79.6%)	3 (1.5%)	23 (11.7%)	6 (3.1%)	0 (0.0%)	0 (0.0%)	8 (4.1%)								(n/a)	52.1				47.6	47.9	57.4		23.8	28.2	44.3			$22,155

Cities Near Thomaston

City	Distance	# of Schools	Statewide Rank
Plymouth	3.72 mi	1
Litchfield	4.03 mi	7
Morris	4.32 mi	1
Terryville	4.46 mi	3	137^th
Harwinton	5.15 mi	1	63^rd

See the top CT Connecticut cities

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Connecticut Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.