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Millburn Middle School vs South Mountain School

A head-to-head comparison of two schools in New Jersey, United States, 1.3 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureMillburn Middle School
Millburn, New Jersey
South Mountain School
Millburn, New Jersey
Success Index (US)
97
Top 5%
95
Top 5%
State rank#10 of 440#20 of 1,479
National rank#16 of 15,369#73 of 50,301
SectorPublicPublic
TypeMiddleElementary
Year rangeGrades 6โ€“8Grades PKโ€“4
Students1,106278
Enrollment1,106278
Free/reduced-price lunch2.4%2.9%
Students per teacher10.59.9
Reading proficiency87%82%
Math proficiency84%82%
cityMillburnMillburn
stateNew JerseyNew Jersey
Websiteโ€“โ€“

The verdict

  • โ€ขMillburn Middle School scores higher on the Success Index (US) (97.0 vs 95.4).
  • โ€ขMillburn Middle School does better on math proficiency (84% vs 82%).
  • โ€ขMillburn Middle School does better on reading proficiency (87% vs 82%).
  • โ€ขMillburn Middle School does better on community advantage (fewer free/reduced-price lunch) (2.4% vs 2.9%).
  • โ€ขSouth Mountain School does better on students per teacher (9.9 vs 10.5).
  • โ€ขMillburn Middle School is the larger school with 1,106 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 Middle School better than South Mountain School?

On the Success Index (US), Millburn Middle School ranks higher (97.0 vs 95.4 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 Middle School and South Mountain School?

About 1.3 km in a straight line, between Millburn and Millburn in New Jersey.

Which has the better Enrollment?

Millburn Middle School: 1,106. South Mountain School: 278. Students enrolled in the latest NCES directory year.

How do Millburn Middle School and South Mountain School rank in New Jersey?

Millburn Middle School is 10th of 440 and South Mountain School is 20th of 1,479 among middle schools in New Jersey on the 2025 Success Index (US).