Csi High School for International Studies vs Ps 23 Richmondtown
A head-to-head comparison of two schools in New York, United States, 2.5 km apart, using official American 2025 data. The better value in each row is highlighted.
Csi High School for International Studies
Staten Island · Public high · Grades 9–12
519 students
Ps 23 Richmondtown
Staten Island · Public elementary · Grades PK–5
608 students
| Measure | Csi High School for International Studies Staten Island, New York | Ps 23 Richmondtown Staten Island, New York |
|---|---|---|
| Success Index (US) | 72 Top 25% | 79 Top 25% |
| State rank | #584 of 1,079 | #424 of 2,536 |
| National rank | #2755 of 16,910 | #5871 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades PK–5 |
| Students | 519 | 608 |
| Enrollment | 519 | 608 |
| Free/reduced-price lunch | 66.3% | 40% |
| Students per teacher | 17.3 | 14.5 |
| Reading proficiency | 97.5% | 71% |
| Math proficiency | 97.5% | 77% |
| city | Staten Island | Staten Island |
| state | New York | New York |
| Website | – | – |
The verdict
- •Ps 23 Richmondtown scores higher on the Success Index (US) (78.5 vs 72.2).
- •Csi High School for International Studies does better on math proficiency (97.5% vs 77%).
- •Csi High School for International Studies does better on reading proficiency (97.5% vs 71%).
- •Ps 23 Richmondtown does better on community advantage (fewer free/reduced-price lunch) (40% vs 66.3%).
- •Ps 23 Richmondtown does better on students per teacher (14.5 vs 17.3).
- •Ps 23 Richmondtown is the larger school with 608 students compared with 519.
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 Csi High School for International Studies better than Ps 23 Richmondtown?
On the Success Index (US), Ps 23 Richmondtown ranks higher (78.5 vs 72.2 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 Csi High School for International Studies and Ps 23 Richmondtown?
About 2.5 km in a straight line, between Staten Island and Staten Island in New York.
Which has the better Enrollment?
Csi High School for International Studies: 519. Ps 23 Richmondtown: 608. Students enrolled in the latest NCES directory year.
How do Csi High School for International Studies and Ps 23 Richmondtown rank in New York?
Csi High School for International Studies is 584th of 1,079 and Ps 23 Richmondtown is 424th of 2,536 among high schools in New York on the 2025 Success Index (US).