The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·ALLENDALE PUBLIC SCHOOL DISTRICT·NCES 340075000226

Hillside Elementary School

89 Hillsdale Avenue, Allendale, NJ 07401 · (201) 327-2020 · Bergen County
GRADES PK–03ELEMENTARY21-SUBURBREGULAR SCHOOL348 STUDENTS
Enrollment
348
Elementary
DISTRICT 425 · STATE 405
Student : Teacher
15.0:1
23 FTE teachers
DISTRICT 13.4:1 · STATE 11.4:1
Free / Reduced Lunch
2%
7 students
DISTRICT 2% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
9
Kindergarten
72
Grade 1
92
Grade 2
89
Grade 3
86
Student demographics
White
70%
DISTRICT 68% · STATE 37%
Hispanic
9%
DISTRICT 8% · STATE 35%
Black
1%
DISTRICT 1% · STATE 14%
Asian
14%
DISTRICT 17% · STATE 10%
Two+
7%
DISTRICT 7% · STATE 3%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
54%
Female
46%

Discussions

+ POST
QUIET COMMUNITY
Be the first to start a discussion at Hillside Elementary School.
START A DISCUSSION
Recent discussions in Allendale Public School District

Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
78.8%
NJ avg 53.1% . +9.3pp since 2023
Math
83.7%
NJ avg 41.6% . +3.3pp since 2023
Source: NJSLA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
78.1%
composite math + reading, all grades
Predicted
65.1%
based on NJ schools with similar FRL share
Beats by
+13.0pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
348
-41 (-11%) vs 2017
Student : Teacher
15.0:1
was 14.8:1
% White
70%
was 75%
% Hispanic
9%
was 6%
% Black
1%
was 1%
% Asian
14%
was 12%
Source: NCES Common Core of Data

About 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

View full county profile
Population
962,316
Census ACS
Median income
$124,884
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
291
133,883 students

Quick facts

School name
Hillside Elementary School
District
Allendale Public School District
Address
89 Hillsdale Avenue, Allendale, NJ 07401
Phone
(201) 327-2020
County
Bergen County
Level
Elementary
Grade range
PK–03
Total enrollment
348
Teachers (FTE)
23
Student–teacher ratio
15.0:1
Free/Reduced lunch
7 (2%)
Locale
21-Suburb: Large
NCES ID
340075000226
Charter school
No
Virtual school
No

Related schools

Other schools in Allendale Public School District
Other schools in Allendale
Nearby schools

Frequently asked questions

About Hillside Elementary School
How many students attend Hillside Elementary School?
Hillside Elementary School enrolls approximately 348 students in grades PK-03.
What grades does Hillside Elementary School serve?
Hillside Elementary School serves grades PK-03.
What is the student-teacher ratio at Hillside Elementary School?
The student-to-teacher ratio at Hillside Elementary School is approximately 15.0:1 (23 FTE teachers).
What is the racial breakdown of students at Hillside Elementary School?
At Hillside Elementary School, the student body is approximately 70% White, 9% Hispanic, 1% Black, 14% Asian, 7% Two or more.
Who oversees Hillside Elementary School?
Hillside Elementary School is overseen by Allendale Public School District in Bergen County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post