Thomaston High School
🇺🇸 Official data · 2025Thomaston, Connecticut 06787 · Thomaston School District
#85 of 180 high schools in Connecticut
#3999 of 16,910 nationally
About Thomaston High School
Thomaston High School is a public high located in Thomaston, in the Thomaston School District school district of Connecticut, United States. It caters for Grades 7–12. In 2025 it enrolled 307 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 67.3 out of 100, placing it in the top 25% of high schools in United States and 85th of 180 ranked high schools in Connecticut. Its strongest component is students per teacher (81th percentile), and its weakest is math proficiency (53th percentile).
Other published figures: enrollment 307.
There are 3 schools in Thomaston; Thomaston High School ranks 1st of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)42%
- Reading proficiency (30%)67%
- Community advantage (fewer free/reduced-price lunch) (25%)35.8%
- Students per teacher (15%)11.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Thomaston High School by the official sources.
- Enrollment
- 307
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 35.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 67%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Thomaston High School
Closest schools by straight-line distance, with their Success Index (US).
Black Rock School
Thomaston · Public elementary · Grades PK–3
259 students · 268 m away
Thomaston Center School
Thomaston · Public middle · Grades 4–6
196 students · 2.5 km away
Plymouth Center School
Plymouth · Public elementary · Grades PK–2
320 students · 4.2 km away
John Trumbull Primary School
Oakville · Public elementary · Grades PK–2
610 students · 5.7 km away
Terryville High School
Terryville · Public high · Grades 9–12
337 students · 6.1 km away
Polk School
Oakville · Public elementary · Grades 3–5
303 students · 6.5 km away
Fletcher W. Judson School
Watertown · Public elementary · Grades 3–5
302 students · 7.0 km away
Watertown High School
Watertown · Public high · Grades 9–12
693 students · 7.1 km away
Eli Terry Jr. Middle School
Terryville · Public middle · Grades 6–8
290 students · 7.5 km away
Swift Middle School
Oakville · Public middle · Grades 6–8
591 students · 7.9 km away
Similar schools
Public high schools in Connecticut with a comparable Enrollment.
Bridgeport Military Academy
Bridgeport · Public high · Grades 9–12
321 students
New Haven Academy
New Haven · Public high · Grades 9–12
321 students
Lyman Memorial High School
Lebanon · Public high · Grades 9–12
322 students
Portland High School
Portland · Public high · Grades 9–12
323 students
Aerospace/Hydrospace Engineering and Physical Sciences Magne
Bridgeport · Public high · Grades 9–12
324 students
Center for Global Studies
Norwalk · Public high · Grades 9–12
283 students
Frequently asked questions
Is Thomaston High School a good school?
Thomaston High School has a Success Index (US) of 67.3 out of 100 (Top 25% of high schools in United States) and ranks #85 of 180 in Connecticut. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Thomaston High School rank in Connecticut?
Thomaston High School ranks #85 of 180 high schools in Connecticut and #3999 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Thomaston High School?
Thomaston High School had 307 students in 2025.
Is Thomaston High School a elementary school or a high school?
Thomaston High School is classified as a high covering Grades 7–12. It is a public school.
What other schools are near Thomaston High School?
There are 10 schools within 15 km of Thomaston High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.