Enrollment
307
Connecticut · 2024-25 NCES data
Other / mixed grade configuration · Thomaston, CT
Thomaston High School
Federal NCES profile for Thomaston High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090450000908
👥 S:T ratio 63
🌟 Gifted program 30
🎓 Counselors 69
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thomaston High School earns 56/100 on the Resource Investment Index, with class sizes smaller than 87% of Connecticut schools.
- #1 of 3
- public schools in Thomaston · Resource Index
- 56
- Resource Index · Higher
- 9.3:1
- small classes for Connecticut
- 25.2%
- free-lunch eligible
Thomaston High School has class sizes smaller than 87% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Thomaston High School ranks #1 of 3 public schools in Thomaston, CT.
School address
District: Thomaston School District · Connecticut
NCES ID 090450000908 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
9.3:1
vs 12.1:1 Connecticut avg
-23% vs state
Free-lunch eligible
25.2%
vs 36.4% Connecticut avg
-31% vs state
Student-teacher ratio in context
How Thomaston High School compares with Connecticut and U.S. medians
What stands out at Thomaston High School
Thomaston High School is a mid-sized combined-grade school in Thomaston, Connecticut, enrolling 307 students.
Classes run notably small here: at 9.3:1, Thomaston High School is leaner than roughly 87% of Connecticut schools and 23% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 25.2% lands close to the Connecticut typical range, neither a high- nor low-need campus by this measure.
Enrollment of 307 puts it in the smaller third of Connecticut schools by headcount.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 262 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #83.
Its student body is predominantly White (83% of enrollment) (diversity index 30/100).
Counselor coverage is strong, about 154 students per counselor, inside the American School Counselor Association's recommended 250:1.
15.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Thomaston's public schools, it stands alongside Black Rock School (259 students): Thomaston High School is larger than that campus by headcount and runs leaner classes (9.3:1 vs 10.4:1).
Thomaston School District also operates Black Rock School (259 students) and Thomaston Center School (196 students) alongside Thomaston High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Thomaston High School compares
Thomaston High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.3:1 | ▼ 23% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 25.2% | ▼ 31% | 36.4% | 51.7% |
| Enrollment | 307 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.3:1
Leaner classes than 92% of US schools, among the more generously staffed nationally.
307
Bigger than 33% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
25.2%
free-lunch eligible
- 31% below the Connecticut average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
9.3:1
students per teacher
- 23% below state mean
Top 13% in Connecticut - lower ratio than 87% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,410
per pupil, district-wide
- below Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 154 students, the combined health-and-guidance staffing load for this school.
Discipline context
45
in-school suspensions + 13 out-of-school
Suspension rate: 14.7 per 100 students. Combined in-school and out-of-school rate: 18.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 82.7%
Hispanic or Latino 11.1%
Two or More 3.3%
African American 1.6%
Asian 1.3%
Largest group: White at 82.7% of enrollment.
Student-body diversity index 30.2/100
Simpson diversity index - at 30.2, Thomaston High School is less mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 7
Funding & spending
District-wide per-pupil expenditure for Thomaston School District, which includes Thomaston High School.
$22,410
Per student
-6%
vs Connecticut
Avg $23,870
+35%
vs U.S.
Avg $16,593
Revenue mix
Local 49.3%
State 42.4%
Federal 8.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Thomaston High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Black Rock School | Similar size | Similar economic need | Similar S:T ratio |
| Thomaston Center School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Thomaston High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 259
- Students per teacher
- 10.4:1
- Resource Index
- 48/100
- Enrollment
- 196
- Students per teacher
- 15.1:1
- Resource Index
- 52/100
Similar other schools in Thomaston
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~307 students)
Similar student-teacher ratio (~9.3:1)
Next steps
Verify locally before acting on Thomaston High School's federal record.
- Compare Thomaston High School against another school. Compare schools
- Thomaston School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Thomaston High School
How many students attend Thomaston High School?
Thomaston High School has 307 students enrolled. It is a public school in Thomaston, CT.
What is the student-teacher ratio at Thomaston High School?
The student-teacher ratio at Thomaston High School is 9.3:1, which is 23% lower than the Connecticut average of 12.1:1 and 41% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Thomaston High School?
25.2% of students at Thomaston High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Thomaston High School?
The largest demographic group at Thomaston High School is White at 82.7% of enrollment, in Thomaston, CT.
What is the Resource Investment Index for Thomaston High School?
Thomaston High School has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thomaston High School rank among public schools in Thomaston?
By Resource Investment Index, Thomaston High School ranks #1 of 3 public schools in Thomaston, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Thomaston on the city page.
Is Thomaston High School a good school?
Thomaston High School earns 56/100 on the Resource Investment Index, with class sizes smaller than 87% of Connecticut schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Thomaston School District?
Besides Thomaston High School, Thomaston School District also operates Black Rock School (259 students) and Thomaston Center School (196 students). See the Thomaston School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.