Enrollment
414
Elementary
STATE 405
SCHOOL COMMUNITY·GREEN TOWNSHIP SCHOOL DISTRICT·NCES 340609005350
Green Hills School
69 MACKERLY ROAD, GREENDELL, NJ 07839 · (973) 300-3800 · Sussex County
GRADES PK–08ELEMENTARY42-RURALREGULAR SCHOOL414 STUDENTS
B
allk12 Grade
Scored higher than 62% of New Jersey public elementary schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+Beats 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
9.6:1
43 FTE teachers
STATE 11.4:1
Free / Reduced Lunch
11%
47 students
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 | 10 | 2% |
| Kindergarten | 52 | 13% |
| Grade 1 | 47 | 11% |
| Grade 2 | 28 | 7% |
| Grade 3 | 41 | 10% |
| Grade 4 | 39 | 9% |
| Grade 5 | 58 | 14% |
| Grade 6 | 54 | 13% |
| Grade 7 | 42 | 10% |
| Grade 8 | 43 | 10% |
This year's kindergarten class (52) is 21% larger than its 8th grade class (43).
Student demographics
33%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
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
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
65.3%
NJ avg 53.1% . -9.1pp since 2023
Math
56.7%
NJ avg 41.6% . +0.5pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 65 of every 100 students at this school read and write at grade level and about 57 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 9 points since 2023, while math scores have held steady.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 65.3% | 56.7% |
| 2023-24 | 74.4% | 56.2% |
% 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
59.2%
composite math + reading, all grades
Predicted
60.0%
based on NJ schools with similar FRL share
Beats by
-0.8pp
below demographic expectation
What this means: About 59% of students here test proficient in math and reading, compared with the roughly 60% 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 Green Hills School
Green Hills School's state test result (59.2% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Green Hills School this school | 414 | 11.4% | 59.2% |
| Milton H. Allen Elementary School MEDFORD | 428 | 11.7% | 52.7% |
| Byram Lakes Elementary School STANHOPE | 443 | 11.5% | 49.1% |
| Chairville Elementary School MEDFORD | 439 | 11.4% | 64.3% |
| Alexandria Township School Pittstown | 417 | 9.4% | 49.5% |
| Seaview Elementary School LINWOOD | 444 | 10.4% | 70.1% |
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 Green Hills School ranks
Among elementary schools| Measure | This school | In New Jersey | In Sussex County |
|---|---|---|---|
| State test proficiency ranked highest first | 59.2% | #350 of 1,290 | #2 of 22 |
| Math proficiency ranked highest first | 56.7% | #461 of 1,319 ▼ 19 | #4 of 22 ▼ 1 |
| Reading proficiency ranked highest first | 65.3% | #379 of 1,319 ▼ 204 | #3 of 22 ▼ 1 |
| Enrollment ranked largest first | 414 | #653 of 1,562 | #10 of 27 |
| Students per teacher ranked fewest first | 9.6:1 | #243 of 1,390 | #9 of 25 |
| Diversity index ranked most diverse first | 33.3% | #1,183 of 1,392 | #20 of 25 |
| Free and reduced lunch ranked highest share first | 11.4% | #1,219 of 1,481 | #22 of 26 |
| Enrollment change since 2017-18 ranked steepest decline first | -4.2% | #645 of 798 | #5 of 8 |
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
414
+43 (+12%) vs 2020
+8% since 1990-91, when it was 383
Student : Teacher
9.6:1
was 9.5:1
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 | 414 | 43.3 | 9.6:1 | 11% (47) |
| 2023-24 | 398 | 42.7 | 9.3:1 | 4% (17) |
| 2022-23 | 368 | 41.6 | 8.8:1 | 6% (22) |
| 2020-21 | 371 | 39 | 9.5:1 | 5% (18) |
| 2017-18 | 432 | 38.3 | 11.3:1 | 6% (24) |
| 2015-16 | 461 | 39 | 11.8:1 | 5% (25) |
| 2010-11 | 485 | 33 | 14.7:1 | 4% (21) |
| 2000-01 | 488 | 33 | 14.8:1 | 2% (12) |
| 1990-91 | 383 | 28 | 13.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Green Hills School.
Since 2017-18: students down 4% (432 to 414); teachers up 13% (38.3 to 43.3).
About Green Hills School
Green Hills School is an elementary school with a street address in GREENDELL, New Jersey. The school reports 414 students in pre-K through 8.
Green Township School District operates Green Hills School.
At Green Hills School, White students make up 81% of the student body. It is also 12% Hispanic and 4% Black. That is close to the 82% White share among all Sussex County residents. By the diversity index, Green Hills School comes in at 33%.
The school reported 43.3 full-time-equivalent teachers in 2024-25 and a ratio of 9.6:1. For comparison, elementary schools in New Jersey average 11.4:1. Free or reduced-price lunch eligibility is 11%. Across public schools in Sussex County, the average is 23%.
Measured against New Jersey public elementary schools, Green Hills School receives a B. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
When test results are adjusted for free or reduced-price lunch eligibility, Green Hills School is within a point of its prediction. Actual: 59.2%. Predicted: 60.0%.
County data help place the school in context: in Sussex County, median household income is about $116,186, the share of adults with a bachelor's degree or higher is 40%, and roughly 4% of residents are in poverty. Green Hills School is among the 46 public schools in Sussex County.
Fredon Township School is located about 3.7 miles from Green Hills School. Within five miles are 6 other public schools. Its average proficiency rate of 59.2% is above the 43.1% average for nearby schools.
Green Hills School has an NCES locale of Rural: Distant.
The student count in 2024-25 was 414, 12% above the 371 of 2020-21.
Parents and students can post about enrollment questions, class placement, and PTA news at Green Hills School. Questions from prospective families are welcome too.
Sussex County at a glance
View full county profilePopulation
145,807
Census ACS
Median income
$116,186
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
46
19,579 students
Quick facts
Related schools
Nearby schools
- Fredon Township School3.7 mi · 203
- Frelinghuysen Township Elementary School3.9 mi · 121
- Allamuchy Township School4.1 mi · 253
- Merriam Avenue School4.8 mi · 483
- Mountain Villa School4.9 mi · 173
- Newton High School5.0 mi · 680
Frequently asked questions
About Green Hills SchoolHow large is Green Hills School?
Green Hills School enrolls approximately 414 students in grades PK-08.
Is Green Hills School an elementary, middle, or high school?
Green Hills School is an elementary school covering grades PK-08.
How many teachers does Green Hills School have?
Green Hills School employs 43 FTE teachers, for a student-to-teacher ratio of 9.6:1.
How diverse is Green Hills School?
Green Hills School reports a student body of 81% White, 12% Hispanic, 4% Black, 1% Asian, 2% Two or more.
Who oversees Green Hills School?
Green Hills School is overseen by Green Township School District in Sussex County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.