Quinebaug Middle College
Magnet · Grades 9–12 · 144 students
Killingly High School
226 Putman Pike, Dayville, CT 06241
Grades
9–12
High
Students
744
Enrolled 2024–25
Students per teacher
11.1 : 1
Full-time teachers
District
Killingly School District
Northeastern Connecticut Planning Region
Schola Grade C · Average
Letter grade (A–F) · compared with 194 Connecticut high schools · How we grade
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 Killingly High School
Killingly High School is a public high school in Dayville, Connecticut, serving grades 9–12. It is part of Killingly School District. The school is located in a rural area near a town in Northeastern Connecticut Planning Region.
In the 2024–25 school year, 744 students were enrolled, with about 11.1 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
School details
- Type
- Public School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 744 students
- Students per teacher
- 11.1 to 1
- AP courses offered
- 6
- Charter school
- No
- Magnet school
- No
- Virtual learning
- Offers virtual courses
- Locale
- Rural — Fringe
- School district
- Killingly School District
- County
- Northeastern Connecticut Planning Region
- NCES school ID
- 090207000392
Schools near Killingly High School
All 3 schools in Dayville →
H. H. Ellis Technical High School
CTE · Grades 9–12 · 650 students
Putnam Science Academy
Private · Grades 8–12 · 130 students
Putnam High School
Public · Grades 9–12 · 253 students
Pomfret School
Private · Grades 9–12 · 350 students
Marianapolis Prep School
Private · Grades 9–12 · 259 students
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.