Thomaston High School

As an one-room-style senior high in Thomaston, Connecticut, Thomaston High School teaches 307 students from grades 7 through 12, overseen by Thomaston School District. Enrollment runs roughly 61% smaller than the state mean of about 788.

Thomaston School District runs 3 schools in total, collectively educating 762 students. Thomaston High School is one of those campuses.

In terms of who attends, Thomaston High School lists that the student body is overwhelmingly White (83%). The remainder consists of 11% Hispanic, 3% multiracial. The wider county runs roughly 64% White, putting the school's mix meaningfully more White than the area baseline.

On the income-and-resources front, Staff filings list 29 full-time-equivalent teachers, which works out to roughly 10.7:1 students per teacher. That figure is tighter than the state norm's 12.3:1 average. An estimated 36% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Naugatuck Valley Planning Region (around 52%), the school's rate is noticeably below typical.

Around the school, community-level numbers for Naugatuck Valley Planning Region indicate median household income runs about $86,191, about 34% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 9%. In all, Naugatuck Valley Planning Region runs 121 public schools (combined enrollment of about 59,861 students), of which Thomaston High School is one.

Nearest neighbor: Black Rock School, around 0.2 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius.

The school occupies an outer-ring site.

Trend over the last 7 years. Looking back 7 years, enrollment at Thomaston High School has edged down 22%, going from 395 students in 2018 to 307 in 2025. The White share of enrollment declined from 88% to 83% over that span. Class-load math has fell: from 11.8:1 in 2018 to 10.7:1 in 2025.

On this page, the page collects discussion, questions, and updates around enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.