Very Good
#762 of 2,463 schools in NJ
Top 31% in state
Stonybrook Elementary School
Elementary School · Kinnelon School District
118 BOONTON AVENUE, Kinnelon, NJ 07405
Enrollment
357
Student-Teacher
10.8:1
Score
7.2
Grades
3rd – 5th
Enrollment
357
Student-Teacher
10.8:1
Score
7.2
Grades
3rd – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Kinnelon
#3 of 4
public schools
New Jersey elementary schools
#470 of 1,496
In district
#3 of 4
Kinnelon School District
School environment
9.4 / 10
Exceptional
About Stonybrook Elementary School
Stonybrook Elementary School serves 357 students in grades 3-5 in Kinnelon, New Jersey, offering a focused upper elementary experience with an impressive 10.8:1 student-teacher ratio. The school earns strong recognition with a MySchoolScout rating of 7.9 out of 10 and ranks #161 out of 2,475 elementary schools statewide, placing it in the 94th percentile. Academically, Stonybrook demonstrates solid performance with 67% of students achieving proficiency or above in English Language Arts and 71% in mathematics.
These results reflect the school's commitment to student achievement during these crucial upper elementary years when students build foundational skills for middle school success. The school benefits from a dedicated teaching staff of 33 full-time equivalent educators who can provide more individualized attention given the favorable student-teacher ratio. This personalized approach supports student growth across the three grade levels served.
Stonybrook Elementary sits in Morris County's affluent Kinnelon community, where the median household income reaches $125,896 and 56% of residents hold bachelor's degrees or higher. The school serves families in this large suburban setting, where median home values of $521,900 and a low 4.6% poverty rate reflect the area's economic stability and strong commitment to education.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Stonybrook Elementary School — Students at Stonybrook Elementary School score 69% proficient, which is above what's typical for similar communities (expected: 63%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
2.2%
Students qualifying for federal meal assistance
Test Scores NJ NJSLA (2023-24)
Based on 13 test records from NJ state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.4/10.
How Stonybrook Elementary School Compares
See how Stonybrook Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 80% (2019) to 71% (2022). Reading/ELA proficiency has declined from 76% (2019) to 67% (2022).
Location
118 BOONTON AVENUE, Kinnelon, NJ 07405
Nearby Alternatives
Families considering Stonybrook Elementary School may also want to explore other elementary schools in the area. Samuel R. Donald Elementary School (rated 8.4/10, 2.5 miles away, in nearby Bloomingdale), which scores notably higher. Another option is Apshawa Elementary School (rated 8.2/10, 3.4 miles away, in nearby West Milford), which scores slightly higher. Additionally, Martha B. Day Elementary School (rated 7.9/10, 3.5 miles away, in nearby Bloomingdale), which scores slightly higher. For more schools in Kinnelon, see our Kinnelon schools guide .
Nearby Schools
20 within 3.5 mi| School | Distance | Rating |
|---|---|---|
| Richard Butler School Butler | 1.8 mi | 5.4 |
| SHEPARD SCHOOL Kinnelon | 1.5 mi | 6.6 |
| INCLUSIVE LEARNING ACADEMY Kinnelon | 1.8 mi | — |
| Pearl R. Miller Middle School Kinnelon | 1.9 mi | 9.0 |
| Butler High School Butler | 2.0 mi | 6.0 |
| Kiel Elementary School Kinnelon | 1.9 mi | 6.5 |
| Kinnelon High School Kinnelon | 2.0 mi | 7.2 |
| Aaron Decker School Butler | 2.4 mi | 5.4 |
| ABC'S OF LEARNING Towaco | 2.5 mi | — |
| Samuel R. Donald Elementary School Bloomingdale | 2.5 mi | 8.4 |
| CHANCELLOR ACADEMY Pompton Plains | 2.2 mi | 6.9 |
| NETHERLANDS REFORMED CHRISTIAN SCHOOL Pompton Plains | 2.5 mi | 5.8 |
| APPLE MONTESSORI SCHOOL OF TOWACO Towaco | 3.4 mi | — |
| Pequannock Township High School Pompton Plains | 2.6 mi | 6.5 |
| North Boulevard School Pompton Plains | 2.6 mi | 5.4 |
| Apshawa Elementary School West Milford | 3.4 mi | 8.2 |
| Walter T. Bergen Middle School Bloomingdale | 3.4 mi | 7.5 |
| Riverdale School Riverdale | 3.0 mi | 7.0 |
| William Mason School Montville | 3.5 mi | 6.9 |
| Martha B. Day Elementary School Bloomingdale | 3.5 mi | 7.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 07405 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$127,500
Median Home Value
$552,500
Median Rent
$1,526/mo
Population
17,859
College Educated
56.9%
Homeownership
79.8%
Avg Commute
35.3 min
Poverty Rate
5.4%
Median Age
41.9
Community Profile
The community surrounding Stonybrook Elementary School has a median household income of $127,500. It is a well-educated community where 57% of adults hold a bachelor's degree or higher. The median home value in the area is $552,500, with a median rent of $1,526/month. The local poverty rate of 5.4% is relatively low. The average commute in the area is 35 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| A. Russell Knight Elementary School Cherry Hill, NJ | 7.2 |
| Gladys Nunery School Jersey City, NJ | 7.2 |
| Hartshorn School Short Hills, NJ | 7.2 |
| Helen I. Smith School Saddle Brook, NJ | 7.2 |
| Howard B. Brunner Elementary School Scotch Plains, NJ | 7.2 |
| Irving Primary School Highland Park, NJ | 7.2 |
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 is ranked #762 out of 2,463 schools in NJ.
What is Stonybrook Elementary School's MySchoolScout rating?
Stonybrook Elementary School has a composite rating of 7.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Stonybrook Elementary School?
Based on the most recent state assessment data, Stonybrook Elementary School has 69.2% math proficiency and 69.2% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Kinnelon). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 3rd – 5th
- Enrollment
- 357
- Student-Teacher Ratio
- 10.8:1
- Teachers (FTE)
- 33
- Free/Reduced Lunch
- 2.2%
- Type
- regular
- Setting
- Large Suburb
- County
- Morris County
- Phone
- (973) 838-1881
- Data Year
- 2023–2024
Resources & Links
District
Kinnelon School District- District Enrollment
- 1,656
- Schools in District
- 4
- Per-Pupil Spending
- $31,045
- District Rank
- #3 of 4
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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