Enrollment
348
Elementary
DISTRICT 425 · STATE 405
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
A
allk12 Grade
Scored higher than 93% of New Jersey public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New Jersey public elementary schools
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 9 | 3% |
| Kindergarten | 72 | 21% |
| Grade 1 | 92 | 26% |
| Grade 2 | 89 | 26% |
| Grade 3 | 86 | 25% |
Student demographics
48%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 50% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Hillside Elementary School→Brookside School
Based on grade levels within Allendale Public School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
78.8%
NJ avg 53.1% . +9.3pp since 2023
Math
83.7%
NJ avg 41.6% . +3.3pp since 2023
What 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.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 78.8% | 83.7% |
| 2023-24 | 69.5% | 80.4% |
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: NJSLA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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
What 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%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Hillside Elementary School
Hillside Elementary School's state test result (78.1% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Hillside Elementary School this school | 348 | 2.0% | 78.1% |
| Franklin Elementary School SUMMIT | 369 | 2.7% | 84.0% |
| Southern Boulevard School CHATHAM | 369 | 1.9% | 73.7% |
| Lincoln-Hubbard Elementary School SUMMIT | 351 | 4.3% | 79.4% |
| Stonybrook Elementary School KINNELON | 358 | 3.6% | 69.1% |
| Roberge Elementary School RIVER VALE | 338 | 1.2% | 72.1% |
Matched among New Jersey elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Hillside Elementary School ranks
Among elementary schools| Measure | This school | In New Jersey | In Bergen County |
|---|---|---|---|
| State test proficiency ranked highest first | 78.1% | #47 of 1,290 | #10 of 137 |
| Math proficiency ranked highest first | 83.7% | #49 of 1,319 ▲ 5 | #14 of 149 ▼ 2 |
| Reading proficiency ranked highest first | 78.8% | #107 of 1,319 ▲ 151 | #34 of 149 ▲ 39 |
| Enrollment ranked largest first | 348 | #906 of 1,562 | #78 of 173 |
| Students per teacher ranked fewest first | 15.0:1 | #1,302 of 1,390 | #144 of 151 |
| Diversity index ranked most diverse first | 48.3% | #850 of 1,392 | #113 of 151 |
| Free and reduced lunch ranked highest share first | 2.0% | #1,425 of 1,481 | #132 of 154 |
| Enrollment change since 2017-18 ranked steepest decline first | -10.5% | #401 of 798 | #41 of 85 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
348
+5 (+1%) vs 2020
+20% since 1990-91, when it was 289
Student : Teacher
15.0:1
was 15.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 348 | 23.2 | 15.0:1 | 2% (7) |
| 2023-24 | 372 | 22.7 | 16.4:1 | 2% (6) |
| 2022-23 | 382 | 22.7 | 16.8:1 | 1% (5) |
| 2020-21 | 343 | 22 | 15.6:1 | 1% (3) |
| 2017-18 | 389 | 26.2 | 14.8:1 | 1% (3) |
| 2015-16 | 358 | 26 | 13.8:1 | 2% (6) |
| 2010-11 | 368 | 20 | 18.4:1 | 0% (0) |
| 2000-01 | 455 | 28 | 16.3:1 | 2% (8) |
| 1990-91 | 289 | 20 | 14.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Hillside Elementary School.
Since 2017-18: students down 11% (389 to 348); teachers down 11% (26.2 to 23.2).
About Hillside Elementary School
Hillside Elementary School is an elementary school in Allendale, New Jersey, according to federal school records. Students in pre-K through 3 attend, and enrollment is 348 students.
Allendale Public School District is the local district for Hillside Elementary School. It runs 2 schools with 850 students.
White students make up a majority at Hillside Elementary School, at 70%. Smaller groups are 14% Asian, 9% Hispanic, and 7% multiracial. For comparison, the population of Bergen County is roughly 55% White. Hillside Elementary School's diversity index is 48%, against a US figure of 70%.
The ratio of students to teachers is 15.0:1, with 23.2 full-time-equivalent teachers on staff. That is 3.6 students per teacher above the 11.4:1 average for elementary schools in New Jersey. The percentage of students eligible for free or reduced-price lunch is 2%. That is 26 points below the 28% average for public schools in Bergen County.
allk12 grades Hillside Elementary School an A. The grade compares the school only with New Jersey public elementary schools, because each state gives its own test.
Test results at Hillside Elementary School are 13.0 points above what its free or reduced-price lunch share predicts (78.1% actual, 65.1% predicted).
County data help place the school in context: in Bergen County, the median household income is $124,884, about 53% of adults have at least a bachelor's degree, and roughly 5% of residents are in poverty. In all, Bergen County has 291 public schools and roughly 133,883 students.
Brookside School is the public school closest to Hillside Elementary School, about 0.2 miles away. There are at least 8 other public schools within five miles. Ranking the closest schools with test data puts Hillside Elementary School at 2nd of 9.
Its NCES locale code is Suburb: Large: the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The school's size has been steady, with 343 students in 2020-21 and 348 in 2024-25.
Discussion on this page can cover science fairs, picture day, and bus routes. Reviews and ratings from people who know the school are welcome.
Bergen County at a glance
View full county profilePopulation
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
Related schools
Other schools in Allendale Public School District
- Brookside SchoolMiddle · 502 students
Other schools in Allendale
- Northern Highlands Regional High SchoolHigh · 1,257 students
- Brookside SchoolMiddle · 502 students
Other Hillside Elementary schools
24 other US public schools in 16 states are named Hillside Elementary. Hillside Elementary School is the 19th largest of the 25.
- Hillside Elementary SchoolMONTCLAIR, NJ · 684 students
- Hillside Elementary SchoolCLOSTER, NJ · 599 students
- Hillside Elementary SchoolLIVINGSTON, NJ · 476 students
- Hillside Elementary SchoolMOUNT LAUREL, NJ · 386 students
- Hillside Elementary SchoolFARMINGTON HILLS, MI · 682 students
Nearby schools
- Brookside School0.2 mi · 502
- Northern Highlands Regional High School0.3 mi · 1,257
- Crescent Elementary School0.9 mi · 313
- Waldwick High School1.4 mi · 434
- Waldwick Middle School1.4 mi · 401
- Mary A. Hubbard Elementary School1.5 mi · 331
Frequently asked questions
About Hillside Elementary SchoolHow 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.