Plainedge Senior High School vs Seaford Senior High School
A head-to-head comparison of two high schools in New York, United States, 2.3 km apart, using official American 2025 data. The better value in each row is highlighted.
Plainedge Senior High School
Massapequa · Public high · Grades 9–12
856 students
Seaford Senior High School
Seaford · Public high · Grades 9–12
650 students
| Measure | Plainedge Senior High School Massapequa, New York | Seaford Senior High School Seaford, New York |
|---|---|---|
| Success Index (US) | 93 Top 5% | 96 Top 5% |
| State rank | #84 of 1,079 | #35 of 1,079 |
| National rank | #97 of 16,910 | #40 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 856 | 650 |
| Enrollment | 856 | 650 |
| Free/reduced-price lunch | 16.5% | 14.6% |
| Students per teacher | 12.2 | 9.7 |
| Reading proficiency | 98% | 97.5% |
| Math proficiency | 92% | 92% |
| city | Massapequa | Seaford |
| state | New York | New York |
| Website | – | – |
The verdict
- •Seaford Senior High School scores higher on the Success Index (US) (95.8 vs 93.2).
- •Plainedge Senior High School does better on reading proficiency (98% vs 97.5%).
- •Seaford Senior High School does better on community advantage (fewer free/reduced-price lunch) (14.6% vs 16.5%).
- •Seaford Senior High School does better on students per teacher (9.7 vs 12.2).
- •Plainedge Senior High School is the larger school with 856 students compared with 650.
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 Plainedge Senior High School better than Seaford Senior High School?
On the Success Index (US), Seaford Senior High School ranks higher (95.8 vs 93.2 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 Plainedge Senior High School and Seaford Senior High School?
About 2.3 km in a straight line, between Massapequa and Seaford in New York.
Which has the better Enrollment?
Plainedge Senior High School: 856. Seaford Senior High School: 650. Students enrolled in the latest NCES directory year.
How do Plainedge Senior High School and Seaford Senior High School rank in New York?
Plainedge Senior High School is 84th of 1,079 and Seaford Senior High School is 35th of 1,079 among high schools in New York on the 2025 Success Index (US).