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Thomaston High School

185 Branch Rd., Thomaston, CT 06787

CSchola Grade
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Grades
7–12
High
Students
307
Enrolled 2024–25
Students per teacher
10.7 : 1
Full-time teachers
District
Thomaston School District
Naugatuck Valley Planning Region

Schola Grade C · Average

Letter grade (A–F) · compared with 194 Connecticut high schools · How we grade
Test scores44% proficient in math & reading
53rdpercentile
Equity30% of low-income students proficient
54thpercentile
Attendance14% chronically absent
75thpercentile
Graduation rate92% graduate in 4 years
47thpercentile
College readinessAt least 20% take AP, IB or dual-enrollment courses
35thpercentile
Class size10.7 students per teacher
69thpercentile

Percentiles compare this school with other Connecticut high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Thomaston High School

Thomaston High School is a public high school in Thomaston, Connecticut, serving grades 7–12. It is part of Thomaston School District. The school is located in a large suburb in Naugatuck Valley Planning Region.

In the 2024–25 school year, 307 students were enrolled, with about 10.7 students for every full-time teacher. That ratio is close to the typical Connecticut high school (11.1 students per teacher). Its Schola Grade is C (average), compared with 194 Connecticut high schools.

Grades & enrollment

Students per grade, 2024–25Grades 7–12

Location & nearby schools

185 Branch Rd.
Thomaston, CT 06787
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School details

Type
Public School · What this means
Level
High
Grades offered
7–12
Enrollment (2024–25)
307 students
Students per teacher
10.7 to 1
AP courses offered
3
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Suburb — Large
School district
Thomaston School District
County
Naugatuck Valley Planning Region
NCES school ID
090450000908

Schools near Thomaston High School

All 3 schools in Thomaston →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.