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Elementary · Regular · Grades 4 to 5

Haddam-Killingworth Intermediate School, Killingworth, CT

Haddam-Killingworth Intermediate School is a public elementary school in Killingworth, part of Regional School District 17. It enrolled 280 students in 2024-25, with 12.7 students per full-time teacher.

Enrollment and teachers

Students
280
Teachers (FTE)
22.0
Students per teacher
12.7
Grades
4 to 5

This school's ratio is 1.8 higher than the district figure of 10.9. The Connecticut average across schools is 12.3. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school12.7
District10.9
Connecticut12.3
United States15.3

School details

Address
451 Route 81, Killingworth, CT 06419
Phone
(860)663-1241
District
Regional School District 17
County
Lower Connecticut River Valley Planning Region
Level
Elementary
Type
Regular
Status
Open
Charter
No
Locale
Rural: Fringe
NCES school ID
090353901921
Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.
Free lunch
40
Reduced-price lunch
12
Free or reduced-price lunch
5218.6% of enrollment.
Community Eligibility Provision
No

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

Other elementary schools in Regional School District 17

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.