<p>The central office for Regional School District 17 is located in the same building as Haddam-Killingworth High School. The office is responsible for five schools and more than 2,500 students, Pre-K through grade 12. The district enrolls students in Killingworth and Haddam. The central office is home to the Superintendent, Financial and Payroll offices, Information Technology, Health Services and Athletic Department.</p> <p>The RSD 17 schools include Haddam-Killingworth High School, Haddam-Killingworth Middle School, Burr Elementary School, Haddam Elementary School and Killingworth Elementary School.</p>