Mills Pond Elementary School vs William Sidney Mount Elementary School
A head-to-head comparison of two elementary schools in New York, United States, 2.0 km apart, using official American 2025 data. The better value in each row is highlighted.
Mills Pond Elementary School
ST James · Public elementary · Grades K–5
338 students
William Sidney Mount Elementary School
Stony Brook · Public elementary · Grades PK–6
525 students
| Measure | Mills Pond Elementary School ST James, New York | William Sidney Mount Elementary School Stony Brook, New York |
|---|---|---|
| Success Index (US) | 83 Top 10% | 84 Top 10% |
| State rank | #276 of 2,536 | #251 of 2,536 |
| National rank | #3235 of 50,301 | #2924 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades PK–6 |
| Students | 338 | 525 |
| Enrollment | 338 | 525 |
| Free/reduced-price lunch | 17.2% | 20.4% |
| Students per teacher | 13.0 | 13.1 |
| Reading proficiency | 67% | 67% |
| Math proficiency | 72% | 77% |
| city | ST James | Stony Brook |
| state | New York | New York |
| Website | – | – |
The verdict
- •Both schools have almost identical Success Index (US) scores (83.3 vs 84.0).
- •William Sidney Mount Elementary School does better on math proficiency (77% vs 72%).
- •Mills Pond Elementary School does better on community advantage (fewer free/reduced-price lunch) (17.2% vs 20.4%).
- •Mills Pond Elementary School does better on students per teacher (13.0 vs 13.1).
- •William Sidney Mount Elementary School is the larger school with 525 students compared with 338.
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 Mills Pond Elementary School better than William Sidney Mount Elementary School?
The two schools are very close on the Success Index (US). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Mills Pond Elementary School and William Sidney Mount Elementary School?
About 2.0 km in a straight line, between ST James and Stony Brook in New York.
Which has the better Enrollment?
Mills Pond Elementary School: 338. William Sidney Mount Elementary School: 525. Students enrolled in the latest NCES directory year.
How do Mills Pond Elementary School and William Sidney Mount Elementary School rank in New York?
Mills Pond Elementary School is 276th of 2,536 and William Sidney Mount Elementary School is 251st of 2,536 among elementary schools in New York on the 2025 Success Index (US).