Mount Arlington Public School

As an one-room-style junior high in MT ARLINGTON, New Jersey, Mount Arlington Public School teaches 223 students from grades 3 through 8, run under Mount Arlington Public School District. Compared to the state average of about 578 students per school, that is 61% smaller than typical.

Mount Arlington Public School District comprises 2 schools with combined enrollment of 376 students; Mount Arlington Public School is among them.

Looking at the student body, Mount Arlington Public School records that the largest single group is White at 43%, but no single group is in the majority. The remainder breaks down as 39% Hispanic, 9% Asian, 6% Black. By comparison, Morris County as a whole is about 68% White, so the school skews considerably less White than its surroundings.

Looking at school resources, Staff filings list 29 full-time-equivalent teachers, which works out to roughly 7.7:1 students per teacher. The state averages around 10.9:1, so this campus is tighter than the state norm typical. An estimated 26% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a residual basis (actual vs predicted given the student mix), Mount Arlington Public School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 51.9%, the actual is 53.7%, a residual of +1.7 points.

In the broader community, the surrounding county (Morris County) records that the typical household earns roughly $137,326 per year, 58% of adults hold a bachelor's degree or higher, and the poverty rate sits near 3%. In all, Morris County runs 156 public schools (combined enrollment of about 72,239 students), of which Mount Arlington Public School is one.

The closest other public school is Nixon Elementary School, roughly 0.8 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Mount Arlington Public School comes 1st of 6 in the immediate cluster, higher than the nearby-schools average of 34.4%.

Geographically, the school is in a commuter-belt area.

Looking at the recent track record. Looking back 7 years, enrollment at Mount Arlington Public School has declined 8%, going from 243 students in 2018 to 223 in 2025. The White share of enrollment edged down from 65% to 43% over that span. The student-to-teacher ratio narrowed from 10.1:1 in 2018 to 7.7:1 today.

On the community side, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.