Old Greenwich School vs Stamford Charter School for Excellence
A head-to-head comparison of two elementary schools in Connecticut, United States, 3.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Old Greenwich School
Old Greenwich · Public elementary · Grades PK–5
385 students
Stamford Charter School for Excellence
Stamford · Charter elementary · Grades PK–8
543 students
| Measure | Old Greenwich School Old Greenwich, Connecticut | Stamford Charter School for Excellence Stamford, Connecticut |
|---|---|---|
| Success Index (US) | 97 Top 5% | 73 Top 25% |
| State rank | #5 of 596 | #256 of 596 |
| National rank | #31 of 50,301 | #9145 of 50,301 |
| Sector | Public | Charter |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades PK–8 |
| Students | 385 | 543 |
| Enrollment | 385 | 543 |
| Free/reduced-price lunch | 2.3% | 55.6% |
| Students per teacher | 10.7 | 28.6 |
| Reading proficiency | 87% | 87% |
| Math proficiency | 86% | 97.5% |
| city | Old Greenwich | Stamford |
| state | Connecticut | Connecticut |
| Website | – | – |
The verdict
- •Old Greenwich School scores higher on the Success Index (US) (96.8 vs 73.2).
- •Stamford Charter School for Excellence does better on math proficiency (97.5% vs 86%).
- •Old Greenwich School does better on community advantage (fewer free/reduced-price lunch) (2.3% vs 55.6%).
- •Old Greenwich School does better on students per teacher (10.7 vs 28.6).
- •Stamford Charter School for Excellence is the larger school with 543 students compared with 385.
- •Old Greenwich School is a public school while Stamford Charter School for Excellence is a charter school, so fees and admission rules differ.
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 Old Greenwich School better than Stamford Charter School for Excellence?
On the Success Index (US), Old Greenwich School ranks higher (96.8 vs 73.2 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 Old Greenwich School and Stamford Charter School for Excellence?
About 3.1 km in a straight line, between Old Greenwich and Stamford in Connecticut.
Which has the better Enrollment?
Old Greenwich School: 385. Stamford Charter School for Excellence: 543. Students enrolled in the latest NCES directory year.
How do Old Greenwich School and Stamford Charter School for Excellence rank in Connecticut?
Old Greenwich School is 5th of 596 and Stamford Charter School for Excellence is 256th of 596 among elementary schools in Connecticut on the 2025 Success Index (US).