John Winthrop Middle School
Public · Grades 7–8 · 197 students
Haddam-Killingworth Middle School
451 Route 81, Killingworth, CT 06419
Grades
6–8
Middle
Students
423
Enrolled 2024–25
Students per teacher
11.3 : 1
Full-time teachers
District
Regional School District 17
Lower Connecticut River Valley Planning Region
Schola Grade A · Excellent
Letter grade (A–F) · compared with 177 Connecticut middle schools · How we grade
Percentiles compare this school with other Connecticut middle 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 Haddam-Killingworth Middle School
Haddam-Killingworth Middle School is a public middle school in Killingworth, Connecticut, serving grades 6–8. It is part of Regional School District 17. The school is located in a rural area near a town in Lower Connecticut River Valley Planning Region.
In the 2024–25 school year, 423 students were enrolled, with about 11.3 students for every full-time teacher. That ratio is close to the typical Connecticut middle school (11.2 students per teacher). Its Schola Grade is A (excellent), compared with 177 Connecticut middle schools.
Grades & enrollment
Students per grade, 2024–25Grades 6–8
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- Middle
- Grades offered
- 6–8
- Enrollment (2024–25)
- 423 students
- Students per teacher
- 11.3 to 1
- Charter school
- No
- Magnet school
- No
- Virtual learning
- Offers virtual courses
- Locale
- Rural — Fringe
- School district
- Regional School District 17
- County
- Lower Connecticut River Valley Planning Region
- NCES school ID
- 090353901201
Schools near Haddam-Killingworth Middle School
All 2 schools in Killingworth →
Jared Eliot School
Public · Grades 5–8 · 418 students
Walter C. Polson Middle School
Public · Grades 6–8 · 541 students
Westbrook Middle School
Public · Grades 6–8 · 126 students
Frank Ward Strong School
Public · Grades 6–8 · 319 students
E. C. Adams Middle School
Public · Grades 7–8 · 478 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.