Ps 121 Nelson A Rockefeller vs Ps 99 Isaac Asimov
A head-to-head comparison of two elementary schools in New York, United States, 1.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Ps 121 Nelson A Rockefeller
Brooklyn · Public elementary · Grades K–8
295 students
Ps 99 Isaac Asimov
Brooklyn · Public elementary · Grades PK–8
847 students
| Measure | Ps 121 Nelson A Rockefeller Brooklyn, New York | Ps 99 Isaac Asimov Brooklyn, New York |
|---|---|---|
| Success Index (US) | 63 Top 50% | 49 Lower 50% |
| State rank | #940 of 2,536 | #1435 of 2,536 |
| National rank | #16054 of 50,301 | #25910 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades PK–8 |
| Students | 295 | 847 |
| Enrollment | 295 | 847 |
| Free/reduced-price lunch | 80.3% | 86.7% |
| Students per teacher | 7.2 | 12.3 |
| Reading proficiency | 57% | 50% |
| Math proficiency | 62% | 50% |
| city | Brooklyn | Brooklyn |
| state | New York | New York |
| Website | – | – |
The verdict
- •Ps 121 Nelson A Rockefeller scores higher on the Success Index (US) (63.1 vs 48.9).
- •Ps 121 Nelson A Rockefeller does better on math proficiency (62% vs 50%).
- •Ps 121 Nelson A Rockefeller does better on reading proficiency (57% vs 50%).
- •Ps 121 Nelson A Rockefeller does better on community advantage (fewer free/reduced-price lunch) (80.3% vs 86.7%).
- •Ps 121 Nelson A Rockefeller does better on students per teacher (7.2 vs 12.3).
- •Ps 99 Isaac Asimov is the larger school with 847 students compared with 295.
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 Ps 121 Nelson A Rockefeller better than Ps 99 Isaac Asimov?
On the Success Index (US), Ps 121 Nelson A Rockefeller ranks higher (63.1 vs 48.9 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 Ps 121 Nelson A Rockefeller and Ps 99 Isaac Asimov?
About 1.1 km in a straight line, between Brooklyn and Brooklyn in New York.
Which has the better Enrollment?
Ps 121 Nelson A Rockefeller: 295. Ps 99 Isaac Asimov: 847. Students enrolled in the latest NCES directory year.
How do Ps 121 Nelson A Rockefeller and Ps 99 Isaac Asimov rank in New York?
Ps 121 Nelson A Rockefeller is 940th of 2,536 and Ps 99 Isaac Asimov is 1435th of 2,536 among elementary schools in New York on the 2025 Success Index (US).