Thomaston High School is a public school for grades 7 through 12 in Thomaston, Connecticut. The school has an enrollment of about 350 students.
Serving 307 students in grades 7-12, Thomaston High School ranks in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30-34% (which is lower than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the Connecticut state average of 50%).
The student-teacher ratio of 11:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 17% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: 7-12
- Enrollment: 307 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 17%
- Graduation Rate: 90-94% (Top 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 30-34% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 45-49% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Thomaston High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Student Attention
School Overview
Thomaston High School's student population of 307 students has declined by 10% over five school years.
The teacher population of 29 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 7-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
307 students
Total Classroom Teachers
29 teachers
Colors
Brown, Gold
School Calendar
School Motto
Learn to Live, Live to Learn
School Rankings
Thomaston High School ranks within the bottom 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Thomaston High School is 0.30, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#534 out of 939 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
30-34%
41%
Reading/Language Arts Test Scores (% Proficient)
50-54%
50%
Science Test Scores (% Proficient)
45-49%
47%
Student-Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
1%
5%
Hispanic
11%
32%
Black
2%
12%
White
83%
46%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
90-94%
89%
Eligible for Free Lunch
31%
38%
Eligible for Reduced Lunch
5%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Notes
- School Mascot: The Golden Bear
Frequently Asked Questions
What is Thomaston High School's ranking?
Thomaston High School is ranked #534 out of 939 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Thomaston High School often compared to?
Thomaston High Schoolis often viewed alongside schools like Thomaston Center School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 41% CT state average), while 50-54% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Thomaston High School?
The graduation rate of Thomaston High School is 90-94%, which is higher than the Connecticut state average of 89%.
How many students attend Thomaston High School?
307 students attend Thomaston High School.
What is the racial composition of the student body?
83% of Thomaston High School students are White, 11% of students are Hispanic, 3% of students are Two or more races, 2% of students are Black, and 1% of students are Asian.
What is the student-teacher ratio of Thomaston High School?
Thomaston High School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Thomaston High School offer ?
Thomaston High School offers enrollment in grades 7-12 (Supplemental Virtual).
What school district is Thomaston High School part of?
Thomaston High School is part of Thomaston School District.
School Reviews
3 10/10/2025
This is a very good school students get support when it is needed and there is always something for them to do like activities, clubs, or sports
Review Thomaston High School. Reviews should be a few sentences in length. Please include any comments on:
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