Hillside Elementary School
Public
Elementary Grades PK–3
Part of Allendale Public School District
89 Hillsdale Avenue, Allendale, NJ 07401 · (201) 327-2020
Community ratings
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Academic performance
Math proficiency67%
State average 25.4%
Reading / language arts52%
State average 47.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
348Students enrolled
15:1Student–teacher ratio
2%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Pre-K9
Kindergarten72
Grade 192
Grade 289
Grade 386
Students
White · 70%242
Asian · 14%50
Hispanic · 9%31
Two or more races · 7%23
Black · 1%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
343’20
357’21
382’22
372’23
348’24
Location
89 Hillsdale Avenue Allendale
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.