Haddam-Killingworth High School vs Haddam-Killingworth Intermediate School
A head-to-head comparison of two schools in Connecticut, United States, 9.0 km apart, using official American 2025 data. The better value in each row is highlighted.
Haddam-Killingworth High School
Higganum · Public high · Grades 9–12
466 students
Haddam-Killingworth Intermediate School
Killingworth · Public elementary · Grades 4–5
280 students
| Measure | Haddam-Killingworth High School Higganum, Connecticut | Haddam-Killingworth Intermediate School Killingworth, Connecticut |
|---|---|---|
| Success Index (US) | 86 Top 5% | 84 Top 10% |
| State rank | #25 of 180 | #141 of 596 |
| National rank | #597 of 16,910 | #2895 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades 4–5 |
| Students | 466 | 280 |
| Enrollment | 466 | 280 |
| Free/reduced-price lunch | 13.7% | 18.6% |
| Students per teacher | 9.7 | 12.7 |
| Reading proficiency | 82% | – |
| Math proficiency | 57% | – |
| city | Higganum | Killingworth |
| state | Connecticut | Connecticut |
| Website | – | – |
The verdict
- •Haddam-Killingworth High School scores higher on the Success Index (US) (85.5 vs 84.0).
- •Haddam-Killingworth High School does better on community advantage (fewer free/reduced-price lunch) (13.7% vs 18.6%).
- •Haddam-Killingworth High School does better on students per teacher (9.7 vs 12.7).
- •Haddam-Killingworth High School is the larger school with 466 students compared with 280.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- 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
Frequently asked questions
Is Haddam-Killingworth High School better than Haddam-Killingworth Intermediate School?
On the Success Index (US), Haddam-Killingworth High School ranks higher (85.5 vs 84.0 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Haddam-Killingworth High School and Haddam-Killingworth Intermediate School?
About 9.0 km in a straight line, between Higganum and Killingworth in Connecticut.
Which has the better Enrollment?
Haddam-Killingworth High School: 466. Haddam-Killingworth Intermediate School: 280. Students enrolled in the latest NCES directory year.
How do Haddam-Killingworth High School and Haddam-Killingworth Intermediate School rank in Connecticut?
Haddam-Killingworth High School is 25th of 180 and Haddam-Killingworth Intermediate School is 141st of 596 among high schools in Connecticut on the 2025 Success Index (US).