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Public schoolMiddleGrades 5–8

High Mountain School

🇺🇸 Official data · 2025North Haledon, New Jersey 07508 · North Haledon School District

76.9/ 100
Success Index (US)
Top 25%

#190 of 440 middle schools in New Jersey
#2017 of 15,369 nationally

How is this calculated?
Students
259
Enrollment
259
Source: NCES CCD
Free/reduced-price lunch
23.6%
Source: NCES CCD
Students per teacher
10.8
Source: NCES CCD

About High Mountain School

High Mountain School is a public middle located in North Haledon, in the North Haledon School District school district of New Jersey, United States. It caters for Grades 5–8. In 2025 it enrolled 259 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 76.9 out of 100, placing it in the top 25% of middle schools in United States and 190th of 440 ranked middle schools in New Jersey. Its strongest component is community advantage (fewer free/reduced-price lunch) (88th percentile), and its weakest is math proficiency (58th percentile).

Other published figures: enrollment 259.

There are 2 schools in North Haledon; High Mountain School ranks 1st of 2 scored schools there.

Success Index (US) breakdown

Each component is a percentile against middle schools across United States.

  • Math proficiency (30%)47%
  • Reading proficiency (30%)69%
  • Community advantage (fewer free/reduced-price lunch) (25%)23.6%
  • Students per teacher (15%)10.8

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for High Mountain School by the official sources.

Enrollment
259
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
23.6%
Share of students eligible for free or reduced-price lunch.
Students per teacher
10.8
Enrollment divided by FTE teachers; not class size.
Reading proficiency
69%
Share of tested students proficient or above (all students, all grades).
Math proficiency
47%
Share of tested students proficient or above (all students, all grades).

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Schools near High Mountain School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public middle schools in New Jersey with a comparable Enrollment.

Frequently asked questions

Is High Mountain School a good school?

High Mountain School has a Success Index (US) of 76.9 out of 100 (Top 25% of middle schools in United States) and ranks #190 of 440 in New Jersey. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does High Mountain School rank in New Jersey?

High Mountain School ranks #190 of 440 middle schools in New Jersey and #2017 of 15,369 nationally on the Success Index (US) (2025 data).

How many students attend High Mountain School?

High Mountain School had 259 students in 2025.

Is High Mountain School a elementary school or a high school?

High Mountain School is classified as a middle covering Grades 5–8. It is a public school.

What other schools are near High Mountain School?

There are 10 schools within 15 km of High Mountain School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.