Deerfield Elementary School vs Jefferson Elementary School
A head-to-head comparison of two schools in New Jersey, United States, 2.7 km apart, using official American 2025 data. The better value in each row is highlighted.
Deerfield Elementary School
Mountainside · Public middle · Grades 3–8
483 students
Jefferson Elementary School
Summit · Public elementary · Grades 1–5
221 students
| Measure | Deerfield Elementary School Mountainside, New Jersey | Jefferson Elementary School Summit, New Jersey |
|---|---|---|
| Success Index (US) | 94 Top 5% | 85 Top 5% |
| State rank | #29 of 440 | #344 of 1,479 |
| National rank | #86 of 15,369 | #2442 of 50,301 |
| Sector | Public | Public |
| Type | Middle | Elementary |
| Year range | Grades 3–8 | Grades 1–5 |
| Students | 483 | 221 |
| Enrollment | 483 | 221 |
| Free/reduced-price lunch | 2.9% | 27.1% |
| Students per teacher | 10.7 | 9.6 |
| Reading proficiency | 81% | 77% |
| Math proficiency | 73% | 67% |
| city | Mountainside | Summit |
| state | New Jersey | New Jersey |
| Website | – | – |
The verdict
- •Deerfield Elementary School scores higher on the Success Index (US) (93.9 vs 85.0).
- •Deerfield Elementary School does better on math proficiency (73% vs 67%).
- •Deerfield Elementary School does better on reading proficiency (81% vs 77%).
- •Deerfield Elementary School does better on community advantage (fewer free/reduced-price lunch) (2.9% vs 27.1%).
- •Jefferson Elementary School does better on students per teacher (9.6 vs 10.7).
- •Deerfield Elementary School is the larger school with 483 students compared with 221.
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 Deerfield Elementary School better than Jefferson Elementary School?
On the Success Index (US), Deerfield Elementary School ranks higher (93.9 vs 85.0 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 Deerfield Elementary School and Jefferson Elementary School?
About 2.7 km in a straight line, between Mountainside and Summit in New Jersey.
Which has the better Enrollment?
Deerfield Elementary School: 483. Jefferson Elementary School: 221. Students enrolled in the latest NCES directory year.
How do Deerfield Elementary School and Jefferson Elementary School rank in New Jersey?
Deerfield Elementary School is 29th of 440 and Jefferson Elementary School is 344th of 1,479 among middle schools in New Jersey on the 2025 Success Index (US).