Knollwood Elementary School vs Northvail Elementary School
A head-to-head comparison of two elementary schools in New Jersey, United States, 1.3 km apart, using official American 2025 data. The better value in each row is highlighted.
Knollwood Elementary School
Lake Hiawatha · Public elementary · Grades K–5
394 students
Northvail Elementary School
Parsippany · Public elementary · Grades K–5
359 students
| Measure | Knollwood Elementary School Lake Hiawatha, New Jersey | Northvail Elementary School Parsippany, New Jersey |
|---|---|---|
| Success Index (US) | 80 Top 10% | 93 Top 5% |
| State rank | #482 of 1,479 | #80 of 1,479 |
| National rank | #4986 of 50,301 | #263 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 394 | 359 |
| Enrollment | 394 | 359 |
| Free/reduced-price lunch | 29.2% | 12.5% |
| Students per teacher | 13.6 | 12.4 |
| Reading proficiency | 72% | 82% |
| Math proficiency | 67% | 87% |
| city | Lake Hiawatha | Parsippany |
| state | New Jersey | New Jersey |
| Website | – | – |
The verdict
- •Northvail Elementary School scores higher on the Success Index (US) (93.2 vs 80.0).
- •Northvail Elementary School does better on math proficiency (87% vs 67%).
- •Northvail Elementary School does better on reading proficiency (82% vs 72%).
- •Northvail Elementary School does better on community advantage (fewer free/reduced-price lunch) (12.5% vs 29.2%).
- •Northvail Elementary School does better on students per teacher (12.4 vs 13.6).
- •Knollwood Elementary School is the larger school with 394 students compared with 359.
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 Knollwood Elementary School better than Northvail Elementary School?
On the Success Index (US), Northvail Elementary School ranks higher (93.2 vs 80.0 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 Knollwood Elementary School and Northvail Elementary School?
About 1.3 km in a straight line, between Lake Hiawatha and Parsippany in New Jersey.
Which has the better Enrollment?
Knollwood Elementary School: 394. Northvail Elementary School: 359. Students enrolled in the latest NCES directory year.
How do Knollwood Elementary School and Northvail Elementary School rank in New Jersey?
Knollwood Elementary School is 482nd of 1,479 and Northvail Elementary School is 80th of 1,479 among elementary schools in New Jersey on the 2025 Success Index (US).