Total enrollment
2,107
-158 (-7%) vs SY 2017-18
3 schools in Allendale
New Jersey · Public K-12
3 public K-12 schools operate inside Allendale, with combined enrollment of about 2,107 students (1 elementary, 1 middle, and 1 high).
7-year change in Allendale
SY 2017-18 vs SY 2024-25School count
3
0 (0%) vs SY 2017-18
% White
68%
was 78%
% Hispanic
9%
was 6%
% Black
1%
was 1%
% Asian
16%
was 13%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Residents
6,865
all ages · ACS 5-yr
Students
2,107
public K-12 · NCES
Schools
3
public K-12
| Name | Level | Grades | Enrollment |
|---|---|---|---|
| Brookside School | Middle | 04-08 | 502 |
| Hillside Elementary School | Elementary | PK-03 | 348 |
| Northern Highlands Regional High School | High | 09-12 | 1,257 |
About Allendale
Public education in Allendale, New Jersey runs across 3 schools that teaches roughly 2,107 students. By footprint, Allendale sits in the compact bracket.
For a sense of the school types, the city is made up of 1 elementary, 1 middle, and 1 high.
Per-campus enrollment runs near 702, above the state mean of about 540.
Looking at the last 7 years. Across the same 7-year window, public-school enrollment shrank 7%: 2,265 students in SY 2017-18 versus 2,107 in SY 2024-25. Demographically, the White share of enrollment declined from 78% to 68%.
On this page, the community for Allendale discusses open enrollment windows, redistricting talk, and busing logistics. Parents, students, and educators in the area can post or comment.