Haddam-Killingworth Intermediate School
🇺🇸 Official data · 2025Killingworth, Connecticut 06419 · Regional School District 17
#141 of 596 elementary schools in Connecticut
#2895 of 50,301 nationally
About Haddam-Killingworth Intermediate School
Haddam-Killingworth Intermediate School is a public elementary located in Killingworth, in the Regional School District 17 school district of Connecticut, United States. It caters for Grades 4–5. In 2025 it enrolled 280 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 84.0 out of 100, placing it in the top 10% of elementary schools in United States and 141st of 596 ranked elementary schools in Connecticut. Its strongest component is community advantage (fewer free/reduced-price lunch) (91th percentile), and its weakest is students per teacher (72th percentile).
Other published figures: enrollment 280.
There are 2 schools in Killingworth; Haddam-Killingworth Intermediate School ranks 2nd of 2 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)–
- Reading proficiency (30%)–
- Community advantage (fewer free/reduced-price lunch) (25%)18.6%
- Students per teacher (15%)12.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Haddam-Killingworth Intermediate School by the official sources.
- Enrollment
- 280
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 18.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 12.7
- Enrollment divided by FTE teachers; not class size.
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Haddam-Killingworth Intermediate School
Closest schools by straight-line distance, with their Success Index (US).
Haddam-Killingworth Middle School
Killingworth · Public middle · Grades 6–8
423 students · 0 m away
Killingworth Elementary School
Higganum · Public elementary · Grades PK–3
257 students · 1.2 km away
Dr. Robert H. Brown Intermediate School
Madison · Public elementary · Grades 4–5
361 students · 6.8 km away
Burr District Elementary School
Higganum · Public elementary · Grades K–3
278 students · 6.9 km away
Kathleen H. Ryerson Elementary School
Madison · Public elementary · Grades K–3
314 students · 7.0 km away
Haddam-Killingworth High School
Higganum · Public high · Grades 9–12
466 students · 9.0 km away
Chester Elementary School
Chester · Public elementary · Grades PK–6
198 students · 9.1 km away
John Winthrop Middle School
Deep River · Public middle · Grades 7–8
197 students · 9.2 km away
Lewin G. Joel Jr. School
Clinton · Public elementary · Grades PK–4
532 students · 9.4 km away
The Morgan School
Clinton · Public high · Grades 9–12
473 students · 9.5 km away
Similar schools
Public elementary schools in Connecticut with a comparable Enrollment.
Hallen School
Bridgeport · Public elementary · Grades PK–6
280 students
Jennings School
Fairfield · Public elementary · Grades K–5
280 students
Helen Street School
Hamden · Public elementary · Grades PK–6
280 students
Alfred W. Hanmer School
Wethersfield · Public elementary · Grades PK–6
280 students
Anna E. Norris School
East Hartford · Public elementary · Grades K–5
279 students
Hawley Elementary School
Newtown · Public elementary · Grades K–4
281 students
Frequently asked questions
Is Haddam-Killingworth Intermediate School a good school?
Haddam-Killingworth Intermediate School has a Success Index (US) of 84.0 out of 100 (Top 10% of elementary schools in United States) and ranks #141 of 596 in Connecticut. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Haddam-Killingworth Intermediate School rank in Connecticut?
Haddam-Killingworth Intermediate School ranks #141 of 596 elementary schools in Connecticut and #2895 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Haddam-Killingworth Intermediate School?
Haddam-Killingworth Intermediate School had 280 students in 2025.
Is Haddam-Killingworth Intermediate School a elementary school or a high school?
Haddam-Killingworth Intermediate School is classified as a elementary covering Grades 4–5. It is a public school.
What other schools are near Haddam-Killingworth Intermediate School?
There are 10 schools within 15 km of Haddam-Killingworth Intermediate School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.