Best Public Schools in Allendale, NJ

The city of Allendale, New Jersey is home to a high-performing school district, with three standout schools serving students from elementary through high school. The district's excellence is exemplified by Brookside School, a middle school that has consistently ranked among the top in the state, and Northern Highlands Regional High School, which boasts impressive graduation rates and test scores that far surpass state averages.

Across the district, the schools demonstrate strong academic performance, with high proficiency rates on the NJSLA assessments. For instance, in 2024-2025, Brookside School had 93.8% of 8th graders proficient or better in ELA, compared to the state average of 57.1%, and 98.5% proficient in Algebra I, versus 72.7% statewide. Northern Highlands Regional High School also excelled, with 76.4% of 9th graders proficient in ELA (vs. 49.9% statewide) and 87.4% proficient in Geometry (vs. 56.5% statewide).

The district's commitment to providing a high-quality education is further evidenced by its low student-teacher ratios, ranging from 10.9 at Brookside School to 16.3 at Hillside Elementary School. While the district's schools serve a relatively affluent community, as indicated by the low percentages of students qualifying for free or reduced-price lunch, the exceptional performance of these schools suggests that the Allendale Public School District and the Northern Highlands Regional High School District are providing a top-notch education to their students.