Greenbrook Elementary School, Kendall Park NJ

Original Research by School Decision on Greenbrook Elementary School

Greenbrook Elementary School serves about 400 students from prekindergarten through fifth grade in Kendall Park, a planned suburban community within South Brunswick Township in Middlesex County. The school is one of several neighborhood elementary schools embedded in the residential fabric of this bedroom community, which was developed as a post-World War II subdivision of ranch and colonial homes on modest lots. The area is car-dependent, with no traditional downtown; daily errands and shopping require driving to nearby highway corridors. Housing values in the ZIP code are high, reflecting the broader affluence of central New Jersey's suburban commuter belt, though the school itself serves a mixed-income population, with a substantial share of students qualifying for free or reduced-price lunch.

Academically, the school's performance presents an interesting pattern when compared to other districts in Middlesex County. Overall proficiency across tested subjects and grades sits above the midpoint among the county's districts. However, the picture varies by grade and subject. In third grade, only about a third of students meet state standards in English language arts, a soft spot a parent may want to look into further with the school. By fourth grade, ELA proficiency rises to nearly half of students, and by fifth grade, more than two-thirds are proficient, a strong outcome. Math tells a similar upward story: around half of third graders and fourth graders are proficient, rising to well over half in fifth grade. Fifth grade science results are more mixed, with a modest share of students reaching proficiency. The data suggests that Greenbrook Elementary tends to accelerate student performance as they move through the upper elementary grades, with fifth grade results standing out as a strength.

The student body is notably diverse. The largest group is Asian students, who make up just under half of the enrollment. Hispanic students account for roughly a quarter, White students under a fifth, and Black and multiracial students together make up most of the remainder. The school does not report counts of students with disabilities or English learners in the available data, so families should seek that information directly from the school if those areas matter to them.

Because Greenbrook is an elementary school, there are no graduation rate or college-readiness metrics to consider. The school does not serve high school grades, so those categories simply do not apply. Chronic absenteeism data was also not available.

The community context matters to the family experience. Kendall Park has experienced steady but modest population growth and very low housing vacancy, indicating a tight market. Home values and rents are high, typical of the Route 1 corridor between New Brunswick and Princeton. The school is part of the South Brunswick School District, which includes several other elementary schools across the township. The district's recent developments were not found in search results, so families may want to check directly with the district for any upcoming budget votes, curriculum changes, or facility plans.

For whom does this school fit? It serves families looking for a diverse, suburban elementary school where proficiency grows markedly from third to fifth grade. The early-grade ELA results give a parent something to monitor, but the upward trend through the upper grades is encouraging. The high housing costs mean that the school's attendance zone draws families with resources, though the free and reduced-price lunch share is high enough to indicate real economic diversity. A family that values a neighborhood school embedded in a car-dependent commuter suburb, with strong late-elementary outcomes and a racially diverse student body, would find this a good fit. Those who need extensive data on special education services, English learner support, or staffing ratios will need to ask the school directly, as those fields were not reported in the available information.

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Academic performance

How students perform on state tests, by grade, set against the district.

Math

Grade 351%

School 51% · District 66% · ▼ 15 pts below district

▲ 1 pts above state median · ▼ 2 pts below county median

Grade 452%

School 52% · District 65% · ▼ 13 pts below district

▲ 6 pts above state median · even with county median

Grade 567%

School 67% · District 63% · ▲ 5 pts above district

▲ 24 pts above state median · ▲ 21 pts above county median

English language arts

Grade 335%

School 35% · District 55% · ▼ 19 pts below district

▼ 10 pts below state median · ▼ 10 pts below county median

Grade 449%

School 49% · District 68% · ▼ 19 pts below district

▼ 7 pts below state median · ▼ 8 pts below county median

Grade 571%

School 71% · District 69% · ▲ 2 pts above district

▲ 17 pts above state median · ▲ 15 pts above county median

Science

Grade 543%

School 43% · District 48% · ▼ 6 pts below district

▲ 15 pts above state median · ▲ 15 pts above county median

This schoolSouth Brunswick School District, same grade

Graduation rate (ACGR) reflects the federally published Adjusted Cohort Graduation Rate for the most recent year available. We refresh this data annually at the close of each academic year in June. The federal source publishes a banded rate (for example, "90-94%") instead of an exact number for cohorts small enough to risk identifying individual students. The state distribution chart, where shown, plots every school in the state with a published rate or band; schools whose rate is federally suppressed are excluded. Where the federal source publishes a band rather than an exact rate, the school is placed within its band using a stable, ID-derived offset, so its position is consistent across visits.

Proficiency by household income

English language arts

Grade 3Lower-income17%Higher-income45%28 pp gap

Grade 4Lower-income33%Higher-income57%24 pp gap

Grade 5Lower-income41%Higher-income87%46 pp gap

Mathematics

Grade 3Lower-income31%Higher-income62%31 pp gap

Grade 4Lower-income16%Higher-income72%56 pp gap

Grade 5Lower-income41%Higher-income82%41 pp gap