Calcium Primary School vs Knickerbocker School
A head-to-head comparison of two elementary schools in New York, United States, 8.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Calcium Primary School
Calcium · Public elementary · Grades PK–3
480 students
Knickerbocker School
Watertown · Public elementary · Grades K–4
340 students
| Measure | Calcium Primary School Calcium, New York | Knickerbocker School Watertown, New York |
|---|---|---|
| Success Index (US) | 78 Top 25% | 53 Top 50% |
| State rank | #451 of 2,536 | #1273 of 2,536 |
| National rank | #6353 of 50,301 | #23039 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–3 | Grades K–4 |
| Students | 480 | 340 |
| Enrollment | 480 | 340 |
| Free/reduced-price lunch | 45.4% | 67.9% |
| Students per teacher | 11.2 | 12.6 |
| Reading proficiency | 67% | 52% |
| Math proficiency | 67% | 47% |
| city | Calcium | Watertown |
| state | New York | New York |
| Website | – | – |
The verdict
- •Calcium Primary School scores higher on the Success Index (US) (77.6 vs 53.0).
- •Calcium Primary School does better on math proficiency (67% vs 47%).
- •Calcium Primary School does better on reading proficiency (67% vs 52%).
- •Calcium Primary School does better on community advantage (fewer free/reduced-price lunch) (45.4% vs 67.9%).
- •Calcium Primary School does better on students per teacher (11.2 vs 12.6).
- •Calcium Primary School is the larger school with 480 students compared with 340.
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 Calcium Primary School better than Knickerbocker School?
On the Success Index (US), Calcium Primary School ranks higher (77.6 vs 53.0 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 Calcium Primary School and Knickerbocker School?
About 8.9 km in a straight line, between Calcium and Watertown in New York.
Which has the better Enrollment?
Calcium Primary School: 480. Knickerbocker School: 340. Students enrolled in the latest NCES directory year.
How do Calcium Primary School and Knickerbocker School rank in New York?
Calcium Primary School is 451st of 2,536 and Knickerbocker School is 1273rd of 2,536 among elementary schools in New York on the 2025 Success Index (US).