Millburn High School vs South Mountain School
A head-to-head comparison of two schools in New Jersey, United States, 1.5 km apart, using official American 2025 data. The better value in each row is highlighted.
Millburn High School
Millburn · Public high · Grades 9–12
1,380 students
South Mountain School
Millburn · Public elementary · Grades PK–4
278 students
| Measure | Millburn High School Millburn, New Jersey | South Mountain School Millburn, New Jersey |
|---|---|---|
| Success Index (US) | 84 Top 5% | 95 Top 5% |
| State rank | #40 of 357 | #20 of 1,479 |
| National rank | #801 of 16,910 | #73 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades PK–4 |
| Students | 1,380 | 278 |
| Enrollment | 1,380 | 278 |
| Free/reduced-price lunch | 1.9% | 2.9% |
| Students per teacher | 10.5 | 9.9 |
| Reading proficiency | 89% | 82% |
| Math proficiency | 47% | 82% |
| city | Millburn | Millburn |
| state | New Jersey | New Jersey |
| Website | – | – |
The verdict
- •South Mountain School scores higher on the Success Index (US) (95.4 vs 83.7).
- •South Mountain School does better on math proficiency (82% vs 47%).
- •Millburn High School does better on reading proficiency (89% vs 82%).
- •Millburn High School does better on community advantage (fewer free/reduced-price lunch) (1.9% vs 2.9%).
- •South Mountain School does better on students per teacher (9.9 vs 10.5).
- •Millburn High School is the larger school with 1,380 students compared with 278.
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 Millburn High School better than South Mountain School?
On the Success Index (US), South Mountain School ranks higher (95.4 vs 83.7 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 Millburn High School and South Mountain School?
About 1.5 km in a straight line, between Millburn and Millburn in New Jersey.
Which has the better Enrollment?
Millburn High School: 1,380. South Mountain School: 278. Students enrolled in the latest NCES directory year.
How do Millburn High School and South Mountain School rank in New Jersey?
Millburn High School is 40th of 357 and South Mountain School is 20th of 1,479 among high schools in New Jersey on the 2025 Success Index (US).