Catherine Kolnaski Magnet School vs Groton Middle School
A head-to-head comparison of two schools in Connecticut, United States, 3.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Catherine Kolnaski Magnet School
Groton · Public elementary · Grades PK–5
375 students
Groton Middle School
Groton · Public middle · Grades 6–8
884 students
| Measure | Catherine Kolnaski Magnet School Groton, Connecticut | Groton Middle School Groton, Connecticut |
|---|---|---|
| Success Index (US) | 53 Top 50% | 45 Lower 50% |
| State rank | #393 of 596 | #141 of 178 |
| National rank | #23162 of 50,301 | #8712 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades PK–5 | Grades 6–8 |
| Students | 375 | 884 |
| Enrollment | 375 | 884 |
| Free/reduced-price lunch | 80.3% | 80.8% |
| Students per teacher | 12.1 | 11.8 |
| Reading proficiency | 62% | – |
| Math proficiency | 42% | – |
| city | Groton | Groton |
| state | Connecticut | Connecticut |
| Website | – | – |
The verdict
- •Catherine Kolnaski Magnet School scores higher on the Success Index (US) (52.8 vs 45.0).
- •Catherine Kolnaski Magnet School does better on community advantage (fewer free/reduced-price lunch) (80.3% vs 80.8%).
- •Groton Middle School does better on students per teacher (11.8 vs 12.1).
- •Groton Middle School is the larger school with 884 students compared with 375.
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 Catherine Kolnaski Magnet School better than Groton Middle School?
On the Success Index (US), Catherine Kolnaski Magnet School ranks higher (52.8 vs 45.0 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 Catherine Kolnaski Magnet School and Groton Middle School?
About 3.9 km in a straight line, between Groton and Groton in Connecticut.
Which has the better Enrollment?
Catherine Kolnaski Magnet School: 375. Groton Middle School: 884. Students enrolled in the latest NCES directory year.
How do Catherine Kolnaski Magnet School and Groton Middle School rank in Connecticut?
Catherine Kolnaski Magnet School is 393rd of 596 and Groton Middle School is 141st of 178 among elementary schools in Connecticut on the 2025 Success Index (US).