Knollwood Elementary School

Located at 333 WILLOW AVENUE, in PISCATAWAY, New Jersey, Knollwood Elementary School is a middle-of-the-pack K-5 school that teaches 460 students (grades K through 3), part of Piscataway Township School District.

Piscataway Township School District runs 11 schools in total, collectively educating 7,289 students. Knollwood Elementary School is one of those campuses.

Looking at the student body, Knollwood Elementary School logs that the largest single group is Asian at 42%, but no single group is in the majority. The remainder comes out to 20% Hispanic, 16% Black, 14% White, 7% multiracial. The wider county runs roughly 26% Asian, putting the school's mix considerably more Asian than the area baseline.

Looking at school resources, Knollwood Elementary School logs 34 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.5:1. Statewide, the average ratio sits near 11.4:1, putting Knollwood Elementary School higher than the state norm the norm. An estimated 33% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is south of Middlesex County's rate of about 42%.

On a demographically-adjusted basis, Knollwood Elementary School sits in the top 10% of New Jersey schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 48.0%; actual is 64.2%, +16.3 points clear of the demographic baseline.

Around the school, the surrounding county (Middlesex County) reports that the typical household earns roughly $111,549 per year, 46% of adults hold a bachelor's degree or higher, and roughly 6% of residents live below the federal poverty line. Across Middlesex County's 214 public schools (combined enrollment of about 129,255 students), Knollwood Elementary School is one campus in the mix.

Nearest neighbor: Martin Luther King Elementary School, around 0.5 miles off. Counting just inside five miles, 8 other public schools cluster around Knollwood Elementary School. On composite proficiency, Knollwood Elementary School comes 2nd of 7 in the immediate cluster, ahead of the nearby-schools average of 56.5%.

Knollwood Elementary School operates from a residential location.

Five-year trend. Looking back 7 years, enrollment at Knollwood Elementary School has fell 7%, going from 492 students in 2018 to 460 in 2025. Hispanic enrollment moved from 12% to 20% across the same window.

On this page, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.