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Terryville High School

33 North Harwinton Avenue, Terryville, CT 06786

CSchola Grade
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Grades
9–12
High
Students
337
Enrolled 2024–25
Students per teacher
10.7 : 1
Full-time teachers
District
Plymouth School District
Naugatuck Valley Planning Region

Schola Grade C · Average

Letter grade (A–F) · compared with 194 Connecticut high schools · How we grade
Test scores42% proficient in math & reading
50thpercentile
Equity30% of low-income students proficient
59thpercentile
Attendance26% chronically absent
31stpercentile
Graduation rate87% graduate in 4 years
27thpercentile
College readinessAt least 29% take AP, IB or dual-enrollment courses
64thpercentile
Class size10.7 students per teacher
69thpercentile

Percentiles compare this school with other Connecticut high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Terryville High School

Terryville High School is a public high school in Terryville, Connecticut, serving grades 9–12. It is part of Plymouth School District. The school is located in a rural area near a town in Naugatuck Valley Planning Region.

In the 2024–25 school year, 337 students were enrolled, with about 10.7 students for every full-time teacher. That ratio is close to the typical Connecticut high school (11.1 students per teacher). Its Schola Grade is C (average), compared with 194 Connecticut high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

33 North Harwinton Avenue
Terryville, CT 06786
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
337 students
Students per teacher
10.7 to 1
AP courses offered
10
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Rural — Fringe
School district
Plymouth School District
County
Naugatuck Valley Planning Region
NCES school ID
090333001199

Schools near Terryville High School

All 3 schools in Terryville →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.