Mountain Lakes High School

Mountain Lakes High School is a tight-knit four-year high school in Mountain Lakes, New Jersey, one of the schools within Mountain Lakes Public School District. The school hosts 546 students in grades 9 through 12. By comparison, New Jersey's public schools average about 929 students each, so Mountain Lakes High School sits 41% below that benchmark.

Mountain Lakes Public School District runs 4 schools in total, collectively educating 1,296 students. Mountain Lakes High School is one of those campuses.

In terms of who attends, Mountain Lakes High School lists that 71% of the student body identifies as White; the rest looks like 14% Asian, 9% Hispanic, 3% multiracial, 2% Black. That composition is broadly in line with Morris County as a whole.

On the income-and-resources front, The school lists 56 full-time-equivalent teachers, for a student-teacher ratio near 9.8:1. The state averages around 12.7:1, so this campus is tighter than the state norm typical. About 2% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Morris County (around 19%), the school's rate is south of typical.

With demographic context factored in, Mountain Lakes High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 65.1%; this one delivers 66.9%.

Zooming out to the county, community-level numbers for Morris County indicate median household income runs about $137,326, roughly 58% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Mountain Lakes High School is one of 156 public schools in Morris County (combined enrollment of about 72,239 students).

Wildwood Elementary School is the nearest neighboring public school, about 0.3 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Mountain Lakes High School at 3rd of 7; the average score across the group is 64.0%.

The school occupies a suburban site.

Over the past 7-year window. Over the past 7-year window, the student count declined 20%: 680 students in 2018 compared to 546 in 2025. Over the same period, the White share edged down from 81% to 71%. Class-load math has fell: from 11.0:1 in 2018 to 9.8:1 in 2025.

On the community side, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.