Haddam-Killingworth High School vs Haddam-Killingworth Middle 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 Middle School
Killingworth · Public middle · Grades 6–8
423 students
| Measure | Haddam-Killingworth High School Higganum, Connecticut | Haddam-Killingworth Middle School Killingworth, Connecticut |
|---|---|---|
| Success Index (US) | 86 Top 5% | 85 Top 10% |
| State rank | #25 of 180 | #50 of 178 |
| National rank | #597 of 16,910 | #814 of 15,369 |
| Sector | Public | Public |
| Type | High | Middle |
| Year range | Grades 9–12 | Grades 6–8 |
| Students | 466 | 423 |
| Enrollment | 466 | 423 |
| Free/reduced-price lunch | 13.7% | 15.6% |
| Students per teacher | 9.7 | 11.4 |
| Reading proficiency | 82% | 71% |
| Math proficiency | 57% | 58% |
| city | Higganum | Killingworth |
| state | Connecticut | Connecticut |
| Website | – | – |
The verdict
- •Haddam-Killingworth High School scores higher on the Success Index (US) (85.5 vs 84.5).
- •Haddam-Killingworth Middle School does better on math proficiency (58% vs 57%).
- •Haddam-Killingworth High School does better on reading proficiency (82% vs 71%).
- •Haddam-Killingworth High School does better on community advantage (fewer free/reduced-price lunch) (13.7% vs 15.6%).
- •Haddam-Killingworth High School does better on students per teacher (9.7 vs 11.4).
- •Haddam-Killingworth High School is the larger school with 466 students compared with 423.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Haddam-Killingworth High School better than Haddam-Killingworth Middle School?
On the Success Index (US), Haddam-Killingworth High School ranks higher (85.5 vs 84.5 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 Middle 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 Middle School: 423. Students enrolled in the latest NCES directory year.
How do Haddam-Killingworth High School and Haddam-Killingworth Middle School rank in Connecticut?
Haddam-Killingworth High School is 25th of 180 and Haddam-Killingworth Middle School is 50th of 178 among high schools in Connecticut on the 2025 Success Index (US).