Enrollment
320
Elementary
DISTRICT 302 · STATE 405
SCHOOL COMMUNITY·HACKETTSTOWN PUBLIC SCHOOL DISTRICT·NCES 340630005820
Willow Grove Elementary School
601 WILLOW GROVE STREET, HACKETTSTOWN, NJ 07840 · (908) 852-2805 · Warren County
GRADES 02–04ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL320 STUDENTS
Student : Teacher
8.8:1
36 FTE teachers
DISTRICT 8.8:1 · STATE 11.4:1
Free / Reduced Lunch
45%
144 students
DISTRICT 41% · 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 |
|---|---|---|
| Grade 2 | 108 | 34% |
| Grade 3 | 108 | 34% |
| Grade 4 | 104 | 33% |
Student demographics
58%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 59% · 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
Feeds from
Based on grade levels within Hackettstown Public School District. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
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START A DISCUSSIONTest scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
51.2%
NJ avg 53.1% . -4.4pp since 2023
Math
55.0%
NJ avg 41.6% . +5.2pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 51 of every 100 students at this school read and write at grade level and about 55 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are down about 4 points since 2023, while math scores are up about 5 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 51.2% | 55.0% |
| 2023-24 | 55.6% | 49.8% |
% 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
52.7%
composite math + reading, all grades
Predicted
41.5%
based on NJ schools with similar FRL share
Beats by
+11.2pp
above demographic expectation
What this means: About 53% of students here test proficient in math and reading, compared with the roughly 42% 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 Willow Grove Elementary School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Willow Grove Elementary School this school | 320 | 45.0% | 52.7% |
| Hatchery Hill Elementary School Hackettstown | 283 | 42.0% | N/A |
| Sussex Avenue School MORRISTOWN | 327 | 45.3% | 43.5% |
| Clifton Early Learner Academies - Brighton Clifton | 327 | 43.7% | N/A |
| Alfred Vail School MORRIS PLAINS | 342 | 49.1% | N/A |
| Thomas Jefferson School MORRISTOWN | 285 | 42.1% | 54.9% |
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 Willow Grove Elementary School ranks
Among elementary schools| Measure | This school | In New Jersey | In Warren County |
|---|---|---|---|
| State test proficiency ranked highest first | 52.7% | #464 of 1,290 | #3 of 21 |
| Math proficiency ranked highest first | 55.0% | #494 of 1,319 ▲ 56 | #3 of 21 ▲ 2 |
| Reading proficiency ranked highest first | 51.2% | #679 of 1,319 ▼ 113 | #8 of 21 ▼ 2 |
| Enrollment ranked largest first | 320 | #1,022 of 1,562 | #9 of 26 |
| Students per teacher ranked fewest first | 8.8:1 | #111 of 1,390 | #4 of 19 |
| Diversity index ranked most diverse first | 58.1% | #578 of 1,392 | #10 of 19 |
| Free and reduced lunch ranked highest share first | 45.0% | #661 of 1,481 | #6 of 26 |
| Enrollment change since 2017-18 ranked fastest growth first | +26.5% | #70 of 545 | #2 of 7 |
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
320
-20 (-6%) vs 2020
+29% since 1990-91, when it was 248
Student : Teacher
8.8:1
was 10.3:1
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 | 320 | 36.3 | 8.8:1 | 45% (144) |
| 2023-24 | 354 | 35.5 | 10.0:1 | 41% (144) |
| 2022-23 | 369 | 35.5 | 10.4:1 | 40% (147) |
| 2020-21 | 340 | 33 | 10.3:1 | 40% (135) |
| 2017-18 | 253 | 26 | 9.7:1 | 30% (75) |
| 2015-16 | 289 | 26 | 11.1:1 | 26% (76) |
| 2010-11 | 277 | 22 | 12.6:1 | 22% (60) |
| 2000-01 | 263 | 17 | 15.5:1 | 11% (29) |
| 1990-91 | 248 | 14 | 17.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Willow Grove Elementary School.
Since 2017-18: students up 26% (253 to 320); teachers up 40% (26 to 36.3).
About Willow Grove Elementary School
Willow Grove Elementary School is a small elementary school serving families in HACKETTSTOWN, New Jersey. Its enrollment is 320 students, spread over grades 2 through 4. Elementary schools in New Jersey average about 405 students, which makes this school 21% below average.
Willow Grove Elementary School is among 4 schools run by Hackettstown Public School District, which serves 1,978 students.
Of every 100 students at Willow Grove Elementary School, about 49 are Hispanic, the largest group. The remaining students are 42% White, 4% Asian, 3% multiracial, and 2% Black. Census figures show Warren County is about 13% Hispanic. On a 0 to 100 scale, the school's diversity index is 58, compared with 70 nationally.
Its ratio of 8.8:1 is based on 36.3 full-time-equivalent teachers. Elementary schools in New Jersey have an average ratio of 11.4:1. In all, 45% of students qualify for free or reduced-price lunch. Public schools in Warren County average 36%.
Based on its free or reduced-price lunch share, the BeatsExpectations model predicts an average proficiency rate across its state test results of 41.5% for Willow Grove Elementary School. The school posts 52.7%, 11.2 points above the prediction.
Census data for Warren County show the median household earns about $100,869 a year, roughly 37% of adults have a four-year degree or more, and the share of residents below the poverty line is 6%. Public schools in Warren County number 41, with about 15,462 students.
Willow Grove Elementary School's nearest public school is Hackettstown Middle School (about 1.1 miles). In all, at least 8 other public schools sit within five miles of Willow Grove Elementary School. Willow Grove Elementary School places 4th of 7 on proficiency among the closest schools that report scores.
By NCES locale, the school is Suburb: Large, or in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The 2020-21-to-2024-25 change in enrollment was a 6% decrease, from 340 to 320. Staffing shifted too: the ratio moved from 10.3:1 to 8.8:1.
People who know Willow Grove Elementary School can post here about homework, tutoring, and testing dates. Teachers and staff are welcome to share updates too.
Warren County at a glance
View full county profilePopulation
110,849
Census ACS
Median income
$100,869
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
41
15,462 students
Quick facts
Related schools
Other schools in Hackettstown Public School District
- Hackettstown High SchoolHigh · 868 students
- Hackettstown Middle SchoolMiddle · 507 students
- Hatchery Hill Elementary SchoolElementary · 283 students
Other schools in HACKETTSTOWN
- Hackettstown High SchoolHigh · 868 students
- Hackettstown Middle SchoolMiddle · 507 students
- Hatchery Hill Elementary SchoolElementary · 283 students
Other Willow Grove Elementary schools
4 other US public schools in 4 states are named Willow Grove Elementary. Willow Grove Elementary School is the 3rd largest of the 5.
- Willow Grove ElementarySan Diego, CA · 701 students
- WILLOW GROVE ELEMENTARY SCHOOLTHIELLS, NY · 567 students
- Willow Grove Elementary SchoolCentralia, IL · 127 students
- Willow Grove ElementaryPaicines, CA · 21 students
Nearby schools
- Hackettstown Middle School1.1 mi · 507
- Hackettstown High School1.5 mi · 868
- Hatchery Hill Elementary School1.7 mi · 283
- Sandshore Rd. Elementary School2.4 mi · 409
- Benedict A. Cucinella School2.8 mi · 529
- Mountain Villa School3.5 mi · 173
Frequently asked questions
About Willow Grove Elementary SchoolWhat is the total enrollment at Willow Grove Elementary School?
Willow Grove Elementary School enrolls approximately 320 students in grades 02-04.
Is Willow Grove Elementary School an elementary, middle, or high school?
Willow Grove Elementary School is an elementary school covering grades 02-04.
How many students per teacher at Willow Grove Elementary School?
Approximately 8.8:1 students per teacher at Willow Grove Elementary School.
How diverse is Willow Grove Elementary School?
Willow Grove Elementary School reports a student body of 42% White, 49% Hispanic, 2% Black, 4% Asian, 3% Two or more.
What district is Willow Grove Elementary School in?
Willow Grove Elementary School is part of Hackettstown Public School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.