Hillside Elementary School
School pathway
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsWhat this means: On the NJSLA, New Jersey's statewide test, about 79 of every 100 students at this school read and write at grade level and about 84 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are up about 9 points since 2023, while math scores are up about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 78% of students here test proficient in math and reading, compared with the roughly 65% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New Jersey's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Hillside Elementary School
Hillside Elementary School is one of the middle-of-the-pack elementary campuss in Allendale, New Jersey, operated by Allendale Public School District, with 348 students on its rolls from grades pre-K through 3.
Across the 2 schools in Allendale Public School District (850 students total), Hillside Elementary School accounts for its share of the district's footprint.
On the student-mix side, Hillside Elementary School logs that White students make up the majority at 70%. Beyond that, the school shows 14% Asian, 9% Hispanic, 7% multiracial. That is visibly more White than the county at large, where the share is closer to 55%.
On the resource side, The school lists 23 full-time-equivalent teachers, for a student-teacher ratio near 15.0:1. That figure is higher than the state norm's 11.4:1 average. Roughly 2% of students at Hillside Elementary School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is south of Bergen County's rate of about 28%.
After controlling for student poverty, Hillside Elementary School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 65.1%, the actual is 78.1%, a residual of +13.0 points.
In the surrounding community, the surrounding county (Bergen County) logs that the typical household earns roughly $124,884 per year, 53% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. In all, Bergen County runs 291 public schools (combined enrollment of about 133,883 students), of which Hillside Elementary School is one.
Nearest neighbor: Brookside School, around 0.2 miles off. Counting just inside five miles, 8 other public schools cluster around Hillside Elementary School. Among the 9 schools in that immediate cluster with test data (this one included), Hillside Elementary School ranks 2nd on composite proficiency, ahead of the local average of 67.0%.
The school occupies a residential site.
Over the past 7-year window. Looking back 7 years, enrollment at Hillside Elementary School has fell 11%, going from 389 students in 2018 to 348 in 2025. Over the same period, the White share contracted from 75% to 70%.
On this page, the feed for Hillside Elementary School typically covers enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.
Bergen County at a glance
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