Enrollment
392
New Jersey · 2024-25 NCES data
Elementary school (grades K-5) · Kendall Park, NJ
Greenbrook Elementary School
Federal NCES profile for Greenbrook Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataElementary school (grades K-5)NCES 341521006007
👥 S:T ratio 58
🌟 Gifted program 70
🎓 Counselors 22
📋 Attendance 78
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Greenbrook Elementary School earns 57/100 on the Resource Investment Index, with class sizes near the New Jersey median.
- #3 of 4
- elementary schools in Kendall Park · Resource Index
- 57
- Resource Index · Higher
- 10.6:1
- students per teacher
- 18.4%
- free-lunch eligible
Greenbrook Elementary School has class sizes near the New Jersey median. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Greenbrook Elementary School ranks #3 of 4 elementary schools in Kendall Park, NJ.
School address
District: South Brunswick School District · New Jersey
NCES ID 341521006007 Verify on NCES CCD record →
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
10.6:1
vs 11.8:1 New Jersey avg
-10% vs state
Free-lunch eligible
18.4%
vs 29.6% New Jersey avg
-38% vs state
Student-teacher ratio in context
How Greenbrook Elementary School compares with New Jersey and U.S. medians
What stands out at Greenbrook Elementary School
Greenbrook Elementary School is a lower-poverty, mid-sized elementary school in Kendall Park, New Jersey, enrolling 392 students.
Class sizes run a bit leaner than typical: 10.6:1 puts it in the smaller third of New Jersey schools by student-teacher ratio.
Its free-meal eligibility rate of 18.4% lands close to the New Jersey typical range, neither a high- nor low-need campus by this measure.
With 392 students, its enrollment sits close to the New Jersey median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,501 scored New Jersey schools.
Against 665 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #254.
Its student body is led by Asian (46%) and Hispanic or Latino (24%) (diversity index 69/100).
Counselor availability sits well past the ASCA benchmark, roughly 392 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 8.7% of students were chronically absent, below the typical post-pandemic national figure.
South Brunswick School District also operates South Brunswick High School (2,666 students) and Crossroads North Middle School (935 students) alongside Greenbrook Elementary School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Greenbrook Elementary School compares
Greenbrook Elementary School on the metrics families compare, against New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.6:1 | ▼ 10% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 18.4% | ▼ 38% | 29.6% | 51.7% |
| Enrollment | 392 | top 56% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.6:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
392
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
18.4%
free-lunch eligible
- 38% below the New Jersey average of 29.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.6:1
students per teacher
- 10% below state mean
Top 38% in New Jersey - lower ratio than 62% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
8.7%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$22,293
per pupil, district-wide
- below New Jersey avg of $24,984
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 392 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 3 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Asian 46.2%
Hispanic or Latino 23.5%
White 16.6%
African American 9.9%
Two or More 2.8%
American Indian / Alaska Native 0.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Asian at 46.2% of enrollment.
Student-body diversity index 69.3/100
Simpson diversity index - at 69.3, Greenbrook Elementary School is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for South Brunswick School District, which includes Greenbrook Elementary School.
$22,293
Per student
-11%
vs New Jersey
Avg $24,984
+34%
vs U.S.
Avg $16,593
Revenue mix
Local 63.9%
State 30.7%
Federal 5.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Greenbrook Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Brunswick High School | Larger | Lower economic need | Higher S:T ratio |
| Crossroads North Middle School | Larger | Similar economic need | Similar S:T ratio |
| Crossroads South Middle School | Larger | Similar economic need | Similar S:T ratio |
| Brooks Crossing Elementary School | Larger | Lower economic need | Similar S:T ratio |
| Constable Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Greenbrook Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,666
- Students per teacher
- 13.1:1
- Resource Index
- 63/100
- Enrollment
- 935
- Students per teacher
- 11:1
- Resource Index
- 62/100
- Enrollment
- 812
- Students per teacher
- 9.4:1
- Resource Index
- 64/100
- Enrollment
- 498
- Students per teacher
- 10.8:1
- Resource Index
- 48/100
- Enrollment
- 476
- Students per teacher
- 10.1:1
- Resource Index
- 63/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of New Jersey, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~392 students)
Next steps
Verify locally before acting on Greenbrook Elementary School's federal record.
- Compare Greenbrook Elementary School against another school. Compare schools
- South Brunswick School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Greenbrook Elementary School
How many students attend Greenbrook Elementary School?
Greenbrook Elementary School has 392 students enrolled. It is an elementary school in Kendall Park, NJ.
What is the student-teacher ratio at Greenbrook Elementary School?
The student-teacher ratio at Greenbrook Elementary School is 10.6:1, which is 10% lower than the New Jersey average of 11.8:1 and 32% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Greenbrook Elementary School?
18.4% of students at Greenbrook Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Greenbrook Elementary School?
The largest demographic group at Greenbrook Elementary School is Asian at 46.2% of enrollment, in Kendall Park, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.3/100.
What is the Resource Investment Index for Greenbrook Elementary School?
Greenbrook Elementary School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Greenbrook Elementary School rank among elementary schools in Kendall Park?
By Resource Investment Index, Greenbrook Elementary School ranks #3 of 4 elementary schools in Kendall Park, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Kendall Park on the city page.
Is Greenbrook Elementary School a good school?
Greenbrook Elementary School earns 57/100 on the Resource Investment Index, with class sizes near the New Jersey median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in South Brunswick School District?
Besides Greenbrook Elementary School, South Brunswick School District also operates South Brunswick High School (2,666 students), Crossroads North Middle School (935 students), and Crossroads South Middle School (812 students). See the South Brunswick School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.