Greenbrook Elementary School

As a moderately sized elementary campus in KENDALL PARK, New Jersey, Greenbrook Elementary School instructs 392 students from grades pre-K through 5, part of South Brunswick School District.

South Brunswick School District runs 12 schools in total, collectively educating 7,589 students. Greenbrook Elementary School is one of those campuses.

Looking at the student body, Greenbrook Elementary School lists that the most-represented group is Asian (46%), with the rest of the student body spread across multiple groups. The remainder reads as 23% Hispanic, 17% White, 10% Black, 3% multiracial. By comparison, Middlesex County as a whole is about 26% Asian, so the school skews considerably more Asian than its surroundings.

On the income-and-resources front, Greenbrook Elementary School logs 35 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.2:1. That tracks the state average closely. Roughly 35% of students at Greenbrook Elementary School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

With demographic context factored in, Greenbrook Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 46.9%; this one delivers 46.7%.

In the area at large, ACS estimates for Middlesex County put median household income runs about $111,549, roughly 46% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 6%. Greenbrook Elementary School is one of 214 public schools in Middlesex County (combined enrollment of about 129,255 students).

Cambridge Elementary School is the nearest neighboring public school, about 1.0 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Greenbrook Elementary School comes 6th of 8 in the immediate cluster, beneath the nearby-schools average of 55.0%.

The school occupies a commuter-belt site.

Trend over the last 7 years. Over the past 7-year window, the student count fell 4%: 408 students in 2018 compared to 392 in 2025. Hispanic enrollment moved from 16% to 23% across the same window.

On allk12, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.