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Public schoolElementaryGrades 3–5

Stonybrook Elementary School

🇺🇸 Official data · 2025Kinnelon, New Jersey 07405 · Kinnelon School District

92.5/ 100
Success Index (US)
Top 5%

#104 of 1,479 elementary schools in New Jersey
#351 of 50,301 nationally

How is this calculated?
Students
358
Enrollment
358
Source: NCES CCD
Free/reduced-price lunch
3.6%
Source: NCES CCD
Students per teacher
11.5
Source: NCES CCD

About Stonybrook Elementary School

Stonybrook Elementary School is a public elementary located in Kinnelon, in the Kinnelon School District school district of New Jersey, United States. It caters for Grades 3–5. In 2025 it enrolled 358 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 92.5 out of 100, placing it in the top 5% of elementary schools in United States and 104th of 1,479 ranked elementary schools in New Jersey. Its strongest component is community advantage (fewer free/reduced-price lunch) (99th percentile), and its weakest is students per teacher (85th percentile).

Other published figures: enrollment 358.

There are 4 schools in Kinnelon; Stonybrook Elementary School ranks 2nd of 4 scored schools there.

Success Index (US) breakdown

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

  • Math proficiency (30%)80%
  • Reading proficiency (30%)76%
  • Community advantage (fewer free/reduced-price lunch) (25%)3.6%
  • Students per teacher (15%)11.5

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 Stonybrook Elementary School by the official sources.

Enrollment
358
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
3.6%
Share of students eligible for free or reduced-price lunch.
Students per teacher
11.5
Enrollment divided by FTE teachers; not class size.
Reading proficiency
76%
Share of tested students proficient or above (all students, all grades).
Math proficiency
80%
Share of tested students proficient or above (all students, all grades).

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Schools near Stonybrook Elementary 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 Stonybrook Elementary School a good school?

Stonybrook Elementary School has a Success Index (US) of 92.5 out of 100 (Top 5% of elementary schools in United States) and ranks #104 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 Stonybrook Elementary School rank in New Jersey?

Stonybrook Elementary School ranks #104 of 1,479 elementary schools in New Jersey and #351 of 50,301 nationally on the Success Index (US) (2025 data).

How many students attend Stonybrook Elementary School?

Stonybrook Elementary School had 358 students in 2025.

Is Stonybrook Elementary School a elementary school or a high school?

Stonybrook Elementary School is classified as a elementary covering Grades 3–5. It is a public school.

What other schools are near Stonybrook Elementary School?

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