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Public schoolElementaryGrades PK–4

Stony Brook School

🇺🇸 Official data · 2025North Plainfield, New Jersey 07060 · North Plainfield School District

25.7/ 100
Success Index (US)
Lower 50%

#1367 of 1,479 elementary schools in New Jersey
#41303 of 50,301 nationally

How is this calculated?
Students
272
Enrollment
272
Source: NCES CCD
Free/reduced-price lunch
89.3%
Source: NCES CCD
Students per teacher
9.7
Source: NCES CCD

About Stony Brook School

Stony Brook School is a public elementary located in North Plainfield, in the North Plainfield School District school district of New Jersey, United States. It caters for Grades PK–4. In 2025 it enrolled 272 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 25.7 out of 100, placing it in the lower 50% of elementary schools in United States and 1367th of 1,479 ranked elementary schools in New Jersey. Its strongest component is students per teacher (90th percentile), and its weakest is reading proficiency (8th percentile).

Other published figures: enrollment 272.

There are 6 schools in North Plainfield; Stony Brook School ranks 6th of 6 scored schools there.

Success Index (US) breakdown

Each component is a percentile against elementary schools across United States.

  • Math proficiency (30%)27%
  • Reading proficiency (30%)22%
  • Community advantage (fewer free/reduced-price lunch) (25%)89.3%
  • Students per teacher (15%)9.7

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Stony Brook School by the official sources.

Enrollment
272
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
89.3%
Share of students eligible for free or reduced-price lunch.
Students per teacher
9.7
Enrollment divided by FTE teachers; not class size.
Reading proficiency
22%
Share of tested students proficient or above (all students, all grades).
Math proficiency
27%
Share of tested students proficient or above (all students, all grades).

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Schools near Stony Brook School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public elementary schools in New Jersey with a comparable Enrollment.

Frequently asked questions

Is Stony Brook School a good school?

Stony Brook School has a Success Index (US) of 25.7 out of 100 (Lower 50% of elementary schools in United States) and ranks #1367 of 1,479 in New Jersey. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Stony Brook School rank in New Jersey?

Stony Brook School ranks #1367 of 1,479 elementary schools in New Jersey and #41303 of 50,301 nationally on the Success Index (US) (2025 data).

How many students attend Stony Brook School?

Stony Brook School had 272 students in 2025.

Is Stony Brook School a elementary school or a high school?

Stony Brook School is classified as a elementary covering Grades PK–4. It is a public school.

What other schools are near Stony Brook School?

There are 10 schools within 15 km of Stony Brook School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.