Haddam-Killingworth Intermediate School
| Name | Haddam-Killingworth Intermediate School |
| Grades | Class 04 to Class 05 |
| Address | 451 Route 81 |
| City | Killingworth |
| School District | Regional School District 17 |
| County | Middlesex County |
| Zipcode | 06419 |
| Phone No. | (860)663-1241 |
| State | Connecticut |
| Rural | Fringe |
| Students | 251 |
| Teachers | 23 |
| Student Teacher Ratio | 11 students per teacher |
| Charter School | No |
| Magnet School | No |
Haddam-Killingworth Intermediate School is located at 451 Route 81 in Killingworth city of Middlesex County county in Connecticut. This school comes under Regional School District 17. You can call them at (860)663-1241 for more details. This is not a magnet school. Total two hundred fifty one students from class 04 to class 05 study in this school who are taught by twenty three teachers. This is not a charter school. The student teacher ratio of this school is 11.