John B. Sliney School vs Mary R. Tisko School
A head-to-head comparison of two elementary schools in Connecticut, United States, 2.0 km apart, using official American 2025 data. The better value in each row is highlighted.
John B. Sliney School
Branford · Public elementary · Grades PK–4
252 students
Mary R. Tisko School
Branford · Public elementary · Grades PK–4
365 students
| Measure | John B. Sliney School Branford, Connecticut | Mary R. Tisko School Branford, Connecticut |
|---|---|---|
| Success Index (US) | 71 Top 25% | 80 Top 25% |
| State rank | #269 of 596 | #195 of 596 |
| National rank | #10663 of 50,301 | #5090 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–4 | Grades PK–4 |
| Students | 252 | 365 |
| Enrollment | 252 | 365 |
| Free/reduced-price lunch | 47.2% | 17.8% |
| Students per teacher | 9.0 | 12.2 |
| Reading proficiency | 57% | 57% |
| Math proficiency | 62% | 72% |
| city | Branford | Branford |
| state | Connecticut | Connecticut |
| Website | – | – |
The verdict
- •Mary R. Tisko School scores higher on the Success Index (US) (79.8 vs 70.9).
- •Mary R. Tisko School does better on math proficiency (72% vs 62%).
- •Mary R. Tisko School does better on community advantage (fewer free/reduced-price lunch) (17.8% vs 47.2%).
- •John B. Sliney School does better on students per teacher (9.0 vs 12.2).
- •Mary R. Tisko School is the larger school with 365 students compared with 252.
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 John B. Sliney School better than Mary R. Tisko School?
On the Success Index (US), Mary R. Tisko School ranks higher (79.8 vs 70.9 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 John B. Sliney School and Mary R. Tisko School?
About 2.0 km in a straight line, between Branford and Branford in Connecticut.
Which has the better Enrollment?
John B. Sliney School: 252. Mary R. Tisko School: 365. Students enrolled in the latest NCES directory year.
How do John B. Sliney School and Mary R. Tisko School rank in Connecticut?
John B. Sliney School is 269th of 596 and Mary R. Tisko School is 195th of 596 among elementary schools in Connecticut on the 2025 Success Index (US).