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Excellent

#31 of 2,466 schools in NJ

Top 1% in state

Stonybrook Elementary School

Elementary School · Kinnelon School District · Kinnelon, NJ

A Kinnelon School District elementary school where students score 10 points above what's typical for similar communities.

118 BOONTON AVENUE, Kinnelon, NJ 07405

  • Math 80% vs NJ 47% (2025)
  • Reading 75% vs NJ 50% (2025)
  • 10.8:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress9.4Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data16
Annual Change+7.63 pts/yr
Data Period2009–2025
TrendImproving
Academics9.1Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency79.8% (2025 NJSLA)
Reading/ELA Proficiency75.4% (2025 NJSLA)
Math vs. State Avg+31.9 pts
Reading vs. State Avg+31.5 pts
Overall Proficiency78% (2025 NJSLA, Math+ELA)
Expected (poverty-adj.)67% (model expectation from 2025 NJSLA)
vs. Expected+10.3 pts
Adjusted Percentile86th
Resources & Environment9.1Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio10.8:1
District spending per student$31,045
Chronic Absenteeism13.7%

Students at Stonybrook Elementary School score 78% proficient, which is above what's typical for similar communities (expected: 67%).

How we calculate scores →

2025 NJSLA proficiency

Most recent published year. School vs. NJ average.

Math Proficiency80%(2025 NJSLA)
School
State
47%(2025 NJSLA)
ELA Proficiency75%(2025 NJSLA)
School
State
50%(2025 NJSLA)

Trend

↑ Recovering

Proficiency declined earlier in the 17-year record (2009–2025), then recovered 19 points since 2021, reaching 78% in 2025.

Show all 16 years
2009
Math
91%
ELA
81%
2010
Math
94%
ELA
84%
2011
Math
94%
ELA
81%
2012
Math
91%
ELA
82%
2013
Math
92%
ELA
81%
2014
Math
60%
ELA
66%
2015
Math
70%
ELA
64%
2016
Math
72%
ELA
71%
2017
Math
77%
ELA
75%
2018
Math
80%
ELA
76%
2019
Math
80%
ELA
76%
2020*
Math
54%
ELA
63%
2021*
Math
54%
ELA
63%
2022
Math
71%
ELA
67%
2024
Math
70%
ELA
70%
2025
Math
80%
ELA
75%

Multi-year averages used by the rating model: math 77% (multi-year average, 2009-2025) · reading/ELA 73% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 41 test records from NJ state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

2.2%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Stonybrook Elementary School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the New York map →

Getting around & local context

  • Walk 37Car-Dependent
  • Bike 23Somewhat Bikeable
  • City Safety: Average361/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Kinnelon), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$127,500

Median home value

$552,500

Median rent

$1,526/mo

College educated

56.9%

Homeownership

79.8%

Poverty rate

5.4%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 07405; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Inclusive Learning AcademyPrivate · tuitionNot rated5–121.8 mi10Compare →
Aaron Decker SchoolEnrollment path unverified7.9PK–42.4 mi369Compare →
Netherlands Reformed Christian SchoolPrivate · tuition5.8privatePK–122.5 mi157Compare →
Samuel R. Donald Elementary SchoolEnrollment path unverified7.92–42.5 mi212Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Kinnelon School District

Schools in district
4
Rank in district
#1 of 4
District spending per student
$31,045NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
2.4%Census SAIPE · 2024

Stonybrook Elementary School is listed in Kinnelon School District; a district label does not verify attendance for an address.

About Stonybrook Elementary School

Stonybrook Elementary School is a public elementary school in Kinnelon, NJ, part of Kinnelon School District, serving approximately 357 students in grades 3rd-5th with a 10.8:1 student-teacher ratio. It holds a MySchoolScout rating of 9.2 out of 10 and ranks #31 of 2,466 schools in NJ. State assessment records show 77% math proficiency (multi-year average, 2009-2025) and 73% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Stonybrook Elementary School

What grades does Stonybrook Elementary School serve?

Stonybrook Elementary School serves students in grades 3rd through 5th.

How many students attend Stonybrook Elementary School?

Stonybrook Elementary School has an enrollment of approximately 357 students.

What is the student-teacher ratio at Stonybrook Elementary School?

The student-teacher ratio at Stonybrook Elementary School is 10.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Stonybrook Elementary School rank in NJ?

Stonybrook Elementary School ranks #31 of 2,466 schools in NJ.

What is Stonybrook Elementary School's MySchoolScout rating?

Stonybrook Elementary School has a current MySchoolScout rating of 9.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Stonybrook Elementary School?

Based on loaded state assessment records, Stonybrook Elementary School has 77% math proficiency (multi-year average, 2009-2025) and 73% reading/ELA proficiency (multi-year average, 2009-2025).

Is Stonybrook Elementary School a charter school?

No, Stonybrook Elementary School is not a charter school. It is a traditional public school operated by the local school district.

Is Stonybrook Elementary School a Title I school?

No, Stonybrook Elementary School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Stonybrook Elementary School?

2.2% of students at Stonybrook Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
3rd – 5th
Enrollment
357
Student-Teacher Ratio
10.8:1
Teachers (FTE)
33
Type
regular
Setting
Large Suburb
County
Morris County
Chronic Absenteeism (SY 2022-23)
13.7%
Area population (ZIP 07405)
17,859
Area average commute
35.3 min
Area median age
41.9
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 NJSLA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 NJSLA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 NJSLA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 NJSLA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 07405; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

Related reading

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