Stonybrook Elementary School

Stonybrook Elementary School is a mid-tier elementary school in KINNELON, New Jersey, part of Kinnelon School District. The school works with 358 students in grades 3 through 5.

Kinnelon School District comprises 4 schools with combined enrollment of 1,617 students; Stonybrook Elementary School is among them.

On the student-mix side, Stonybrook Elementary School logs that the largest single group is White, at 73% of enrollment. Beyond that, the school reports 11% Asian, 10% Hispanic, 2% Black.

On the income-and-resources front, On paper, Stonybrook Elementary School has 32 full-time-equivalent teachers, translating to a class-load average of around 11.4:1. That tracks the state average closely. An estimated 4% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Morris County's rate of about 19%.

Adjusting for the school's free-and-reduced-lunch share, Stonybrook Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 64.2%; this one delivers 69.1%.

Across the wider county, Morris County reports that median household income runs about $137,326, roughly 58% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 3%. Across Morris County's 156 public schools (combined enrollment of about 72,239 students), Stonybrook Elementary School is one campus in the mix.

Nearest neighbor: Richard Butler School, around 1.8 miles off. Counting just inside five miles, 8 other public schools cluster around Stonybrook Elementary School. Ranking that nearby cluster on reported proficiency puts Stonybrook Elementary School at 1st of 8; the average score across the group is 55.5%.

Stonybrook Elementary School operates from a bedroom-community location.

Over the past 7-year window. Over the past 7-year window, the student count shrank 22%: 461 students in 2018 compared to 358 in 2025. The White share of enrollment decreased from 83% to 73% over that span.

On the community side, members of the Stonybrook Elementary School community share and discuss sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.