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#663 of 990 schools in CT

Thomaston High School

High School · Thomaston School District

185 Branch Rd., Thomaston, CT 06787

Enrollment

295

Student-Teacher

10.2:1

Score

5.6

Grades

7th – 12th

Updated 2022-23

How this school compares

In Thomaston

#3 of 3

public schools

Connecticut high schools

#133 of 196

In district

#3 of 3

Thomaston School District

About Thomaston High School

Thomaston High School is a regular public school located in the large suburban area of Thomaston, Connecticut. The school serves students from seventh through twelfth grade with an enrollment of 295 students and a student-teacher ratio of 10.2:1, ensuring that each student receives individual attention. With 29 full-time equivalent teachers, Thomaston High School aims to provide a supportive learning environment.

According to MySchoolScout’s rating system, the school has a score of 4.6 out of 10 and ranks at #713 among 996 schools in Connecticut, placing it in the 28th percentile overall. Academically, students perform with 59% proficiency or above in ELA/Reading and 37% proficient or above in Math, indicating areas where there is room for improvement. While Thomaston High School currently focuses on student development and growth, its location in a large suburban community offers a variety of resources and opportunities for students to engage in extracurricular activities and community service.

The school sits at the heart of Thomaston, fostering strong ties between the institution and its surrounding neighborhood.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress5.2Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-3.48 pts/yr
Data Period2019–2022
TrendDeclining
Academics5.5Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency37%
Reading/ELA Proficiency52%
Overall Proficiency45%
Expected (poverty-adj.)52%
vs. Expected-7.0 pts
Adjusted Percentile37th
College Readiness5.1Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation17.6%
IB ProgramNo
Resources & Environment6.9Above Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio10.2:1
Per-Pupil Spending$22,818

Thomaston High School — Students at Thomaston High School score 44% proficient, which is below what's typical for similar communities (expected: 52%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

36.3%

Students qualifying for federal meal assistance

Test Scores CT EDFACTS (2021-22)

Math Proficiency 37.0%
School
State
N/A
ELA Proficiency 58.7%
School
State
N/A

Based on 6 test records from CT state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
42%
ELA
67%
2021*
Math
32%
ELA
57%
2022
Math
37%
ELA
52%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 5.2/10.

How Thomaston High School Compares

See how Thomaston High School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.6/10
33th percentile in CT
Academic
5.5/10
5.5/10
Growth
5.2/10
Above average
Environment
6.9/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
36%
Teaching Staff
10:1 student-teacher ratio
29 teachers

Location

185 Branch Rd., Thomaston, CT 06787

Nearby Alternatives

Families considering Thomaston High School may also want to explore other high schools in the area. Terryville High School (rated 6.3/10, 3.8 miles away, in nearby Terryville), which scores slightly higher. Another option is Watertown High School (rated 5.8/10, 4.4 miles away, in nearby Watertown), with a very similar rating. Additionally, W. F. Kaynor Technical High School (rated 4.4/10, 5.8 miles away, in nearby Waterbury), a more accessible option. For more schools in Thomaston, see our Thomaston schools guide .

Nearby Schools

20 within 4.7 mi
School Distance Rating
Black Rock School Thomaston 0.2 mi 8.2
Thomaston Center School Thomaston 1.5 mi 6.8
LITCHFIELD MONTESSORI SCHOOL Northfield 2.9 mi 5.9
Plymouth Center School Plymouth 2.6 mi 4.9
John Trumbull Primary School Oakville 3.6 mi 5.2
Polk School Oakville 4.1 mi 4.6
ST JOHN'S SCHOOL Watertown 4.1 mi 5.9
ST JOHN THE EVANGELIST SCHOOL Watertown 4.1 mi 5.2
Watertown High School Watertown 4.4 mi 5.8
Fletcher W. Judson School Watertown 4.3 mi 4.1
ST MARY MAGDALEN SCHOOL Oakville 4.6 mi 4.8
Terryville High School Terryville 3.8 mi 6.3
Swift Middle School Oakville 4.9 mi 8.3
Sprague School Waterbury 5.4 mi 4.2
North End Middle School Waterbury 5.0 mi 5.6
Carrington School Waterbury 5.8 mi 4.4
Wilby High School Waterbury 5.1 mi 4.0
W. F. Kaynor Technical High School Waterbury 5.8 mi 4.4
Bucks Hill School Waterbury 5.2 mi 7.3
Eli Terry Jr. Middle School Terryville 4.7 mi 7.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 06787 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$103,843

Median Home Value

$259,800

Median Rent

$1,008/mo

Population

7,493

College Educated

35.9%

Homeownership

80.9%

Avg Commute

26.5 min

Poverty Rate

2.6%

Median Age

42.9

Community Profile

The community surrounding Thomaston High School has a median household income of $103,843. It is an area where 36% of adults hold a bachelor's degree or higher. The median home value in the area is $259,800, with a median rent of $1,008/month. The local poverty rate of 2.6% is relatively low. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
IMMACULATE HIGH SCHOOL Danbury, CT 5.5
High School In The Community New Haven, CT 5.7
ST BERNARD SCHOOL Uncasville, CT 5.4
The Bridge Academy Bridgeport, CT 5.4
Global Experience Magnet School Bloomfield, CT 5.8
THE FREDERICK GUNN SCHOOL Washington, CT 5.8

Frequently Asked Questions

Common questions about Thomaston High School

What grades does Thomaston High School serve?

Thomaston High School serves students in grades 7th through 12th.

How many students attend Thomaston High School?

Thomaston High School has an enrollment of approximately 295 students.

What is the student-teacher ratio at Thomaston High School?

The student-teacher ratio at Thomaston High School is 10.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Thomaston High School rank in CT?

Thomaston High School is ranked #663 out of 990 schools in CT.

What is Thomaston High School's MySchoolScout rating?

Thomaston High School has a composite rating of 5.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Thomaston High School?

Based on the most recent state assessment data, Thomaston High School has 37.0% math proficiency and 58.7% reading/ELA proficiency.

Is Thomaston High School a charter school?

No, Thomaston High School is not a charter school. It is a traditional public school operated by the local school district.

Is Thomaston High School a Title I school?

No, Thomaston High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Thomaston High School?

36.3% of students at Thomaston High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
Average (518/100K)

FBI UCR 2024. City-level (Thomaston). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
7th – 12th
Enrollment
295
Student-Teacher Ratio
10.2:1
Teachers (FTE)
29
Free/Reduced Lunch
36.3%
Type
regular
Setting
Large Suburb
County
Connecticut Planning Region 4
Data Year
2023–2024

District

Thomaston School District
District Enrollment
776
Schools in District
3
Per-Pupil Spending
$24,821
District Rank
#3 of 3

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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