Stonybrook Elementary School (Ranked Top 20% for 2025-26)

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Stonybrook Elementary School

118 Boonton Avenue
Butler, NJ 07405

( shown in map)

Top 20%

Serving 357 students in grades 3-5, Stonybrook Elementary School ranks in the top 20% of all schools in New Jersey for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).

The percentage of students achieving is 70% (which is higher than the New Jersey state average of 38%). The percentage of students achieving is 67% (which is higher than the New Jersey state average of 49%).

The student-teacher ratio of 11:1 is equal to the New Jersey state level of 11:1.

Minority enrollment is 28% of the student body (majority Hispanic), which is lower than the New Jersey state average of 62% (majority Hispanic).

Quick Facts (2025-26)

Grades: 3-5
Enrollment: 357 students
Student-Teacher Ratio: 11:1
Minority Enrollment: 28%
: Top 20% in NJ
: 70% (Top 20%)
: 67% (Top 30%)
: 35-39% (Top 20%)
Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Top Rankings

Stonybrook Elementary School ranks among the top 20% of public schools in New Jersey for:

School Overview

Stonybrook Elementary School's student population of 357 students has declined by 17% over five school years.

The teacher population of 34 teachers has declined by 8% over five school years.

Grades Offered

Grades 3-5
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Stonybrook Elementary School
3	114
4	115
5	128

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Total Students

357 students

View Data

Total Students Trends Over Years (1990-2023)
Year	Stonybrook Elementary School
2023	412
2022	395
2021	346
2020	433
2019	433
2018	467
2017	467
2016	471
2015	492
2014	532
2013	517
2012	554
2011	406
2010	502
2009	515
2008	517
2007	531
2006	538
2005	517
2004	497
2003	489
2002	478
2001	473
2000	470
1999	440
1998	414
1996	358
1995	365
1994	332
1993	305
1992	409
1991	405
1990	390

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Gender %

Total Classroom Teachers

34 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Stonybrook Elementary School
2023	36
2022	36
2021	35
2018	39
2017	39
2016	37
2015	36
2014	37
2013	37
2012	39
2011	32
2010	27
2009	32
2008	27
2007	30
2006	38
2005	32
2004	31
2003	30
2002	31
2001	32
2000	32
1999	30
1998	28
1996	22
1995	21
1994	20
1993	21
1992	21
1991	24
1990	27

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School Calendar

Last Day of School

Thu. Jun 25, 2026

School Motto

Home of the Colts

School Rankings

Stonybrook Elementary School ranks within the top 20% of all 2,184 schools in New Jersey (based off of combined math and reading proficiency testing data).

The of Stonybrook Elementary School is 0.46, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.

This School

State Level (NJ)

#329 out of 2184 schools
(Top 20%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Stonybrook Elementary School
2023	#329
2022	#312
2021	#255
2019	#242
2018	#283
2017	#371
2016	#474
2015	#433
2014	#459
2013	#478
2012	#400

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70%

38%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	70%	38%	65%
2022	71%	36%	66%
2021	54%	26%	49%
2019	80%	44%	69%
2018	77%	42%	69%
2017	72%	41%	65%
2016	70%	40%	63%
2015	60%	36%	49%
2014	92%	75%	92%
2013	91%	75%	90%
2012	94%	75%	92%

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67%

49%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2022	67%	49%	74%
2021	63%	47%	68%
2019	76%	57%	79%
2018	75%	55%	69%
2017	71%	53%	75%
2016	64%	50%	71%
2015	66%	47%	61%
2014	81%	69%	89%
2013	82%	69%	89%
2012	81%	69%	87%
2011	84%	69%	88%

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35-39%

23%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2022	37%	23%	29%
2021	37%	22%	31%

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Student-Teacher Ratio

11:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	11:1	11:1	10:1
2022	11:1	11:1	10:1
2021	10:1	11:1	10:1
2018	12:1	12:1	11:1
2017	12:1	12:1	11:1
2016	13:1	12:1	11:1
2015	14:1	12:1	11:1
2014	14:1	12:1	12:1
2013	14:1	12:1	12:1
2012	14:1	13:1	12:1
2011	13:1	15:1	12:1
2010	19:1	14:1	14:1
2009	16:1	12:1	13:1
2008	19:1	15:1	18:1
2007	18:1	13:1	15:1
2006	14:1	13:1	13:1
2005	16:1	13:1	14:1
2004	16:1	13:1	14:1
2003	16:1	14:1	14:1
2002	15:1	14:1	14:1
2001	15:1	15:1	15:1
2000	15:1	14:1	14:1
1999	15:1	15:1	14:1
1998	15:1	15:1	14:1
1996	16:1	15:1	14:1
1995	18:1	15:1	13:1
1994	16:1	15:1	13:1
1993	15:1	15:1	13:1
1992	19:1	15:1	15:1
1991	17:1	15:1	15:1
1990	14:1	15:1	12:1

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American Indian

n/a

Asian

10%

View Data

Asian Student Percentage Comparison Over Years (1992-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	7%	10%	7%
2022	7%	10%	8%
2021	7%	10%	8%
2020	9%	11%	8%
2019	9%	11%	8%
2018	10%	10%	8%
2017	10%	10%	8%
2016	8%	10%	8%
2015	8%	10%	7%
2014	8%	10%	6%
2013	7%	10%	5%
2012	4%	9%	5%
2011	3%	9%	3%
2010	4%	9%	3%
2009	2%	9%	3%
2008	5%	9%	4%
2007	5%	8%	3%
2006	6%	8%	3%
2005	3%	7%	3%
2004	3%	7%	2%
2003	2%	7%	3%
2002	2%	7%	2%
2001	3%	6%	2%
2000	3%	6%	3%
1999	4%	6%	4%
1998	4%	6%	4%
1996	6%	5%	3%
1995	3%	5%	3%
1994	5%	5%	4%
1993	4%	5%	4%
1992	3%	5%	3%

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Hispanic

11%

34%

View Data

Hispanic Student Percentage Comparison Over Years (1990-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	8%	33%	9%
2022	5%	32%	8%
2021	6%	31%	7%
2020	6%	29%	7%
2019	6%	29%	7%
2018	6%	27%	6%
2017	6%	27%	6%
2016	6%	26%	6%
2015	5%	25%	5%
2014	6%	24%	4%
2013	4%	23%	3%
2012	4%	23%	3%
2011	4%	22%	3%
2010	3%	21%	3%
2009	3%	20%	3%
2008	2%	19%	2%
2007	1%	19%	1%
2006	1%	18%	2%
2005	2%	18%	2%
2004	1%	17%	1%
2003	1%	17%
2002	1%	16%	1%
2001	1%	15%	1%
2000	1%	15%	1%
1999	2%	14%	1%
1998	1%	14%	1%
1996	1%	14%	1%
1995	1%	13%	1%
1993	1%	13%	1%
1991	1%	12%	2%
1990	1%	11%	2%

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Black

15%

View Data

Black Student Percentage Comparison Over Years (1993-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	2%	15%	1%
2022	2%	15%	2%
2021	1%	15%	1%
2020	1%	15%	1%
2019	1%	15%	1%
2016	1%	16%
2015	2%	16%	1%
2014	2%	16%	1%
2013	2%	16%	1%
2012	1%	16%	1%
2011	1%	16%	1%
2010	1%	17%	1%
2009	1%	17%	1%
2008	1%	17%	1%
2007	1%	17%	1%
2004	1%	18%	1%
2003	1%	18%
2002	1%	18%	1%
2001	1%	18%	1%
1994	1%	19%	1%
1993	1%	19%

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White

72%

38%

View Data

White Student Percentage Comparison Over Years (1992-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	74%	39%	77%
2022	78%	40%	77%
2021	81%	41%	80%
2020	82%	43%	83%
2019	82%	43%	83%
2018	84%	45%	85%
2017	84%	45%	85%
2016	84%	46%	86%
2015	85%	48%	87%
2014	83%	49%	88%
2013	86%	50%	90%
2012	89%	51%	90%
2011	91%	52%	91%
2010	92%	53%	92%
2009	93%	54%	93%
2008	92%	55%	93%
2007	93%	56%	95%
2006	93%	56%	94%
2005	95%	57%	95%
2004	95%	58%	96%
2003	96%	58%	97%
2002	96%	59%	96%
2001	95%	61%	96%
2000	96%	61%	96%
1999	93%	62%	95%
1998	95%	62%	95%
1996	93%	62%	96%
1995	96%	63%	96%
1994	94%	63%	94%
1993	94%	63%	95%
1992	98%	64%	95%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2019-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	7%	3%	5%
2022	6%	3%	3%
2021	4%	3%	3%
2020	2%	2%	1%
2019	2%	2%	1%

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All Ethnic Groups

0.46

0.72

View Data

Diversity Score Comparison Over Years (1992-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	0.44	0.71	0.40
2022	0.38	0.71	0.39
2021	0.34	0.71	0.35
2020	0.32	0.70	0.30
2019	0.32	0.70	0.30
2018	0.28	0.70	0.27
2017	0.28	0.70	0.27
2016	0.29	0.69	0.25
2015	0.27	0.68	0.24
2014	0.31	0.68	0.22
2013	0.26	0.67	0.20
2012	0.21	0.66	0.18
2011	0.17	0.65	0.18
2010	0.15	0.65	0.16
2009	0.13	0.64	0.14
2008	0.15	0.63	0.12
2007	0.12	0.62	0.10
2006	0.13	0.62	0.10
2005	0.10	0.61	0.10
2004	0.09	0.60	0.08
2003	0.08	0.60	0.06
2002	0.08	0.59	0.06
2001	0.09	0.58	0.07
2000	0.08	0.57	0.08
1999	0.13	0.57	0.10
1998	0.10	0.57	0.09
1996	0.12	0.56	0.08
1995	0.08	0.55	0.08
1994	0.11	0.55	0.10
1993	0.12	0.55	0.10
1992	0.06	0.54	0.09

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Participates in the

Yes

Eligible for

32%

View Data

Free Lunch Eligibility Comparison Over Years (1991-2023)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2023	2%	31%	3%
2022	2%	30%	2%
2021	3%	32%	3%
2020	2%	33%	3%
2019	2%	33%	3%
2018	4%	33%	4%
2017	4%	33%	4%
2016	4%	33%	3%
2015	2%	31%	2%
2014	1%	32%	1%
2013	1%	31%	1%
2012	1%	29%	1%
2010	1%	26%	1%
2009	1%	24%	1%
2008	1%	22%	1%
2007	1%	21%
2003	1%	21%
2002	1%	22%
1998	1%	24%	1%
1996	1%	24%	1%
1995	2%	24%	1%
1994	1%	24%	1%
1993	2%	23%	1%
1992	1%	21%	1%
1991	1%	18%	1%

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Eligible for (21-22)

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2000-2022)
Year	Stonybrook Elementary School	New Jersey	Kinnelon School District
2022	1%	4%
2015	1%	5%
2012	1%	6%
2011	1%	5%	1%
2010	1%	6%	1%
2000	1%	5%

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School Statewide Testing

School District Name

Kinnelon School District

Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Stonybrook Elementary School's ranking?

Stonybrook Elementary School is ranked #329 out of 2,184 schools, which ranks it among the top 20% of public schools in New Jersey.

What schools are Stonybrook Elementary School often compared to?

Stonybrook Elementary Schoolis often viewed alongside schools like Kiel Elementary School, West End School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

70% of students have achieved math proficiency (compared to the 38% NJ state average), while 67% of students have achieved reading proficiency (compared to the 49% NJ state average).

How many students attend Stonybrook Elementary School?

357 students attend Stonybrook Elementary School.

What is the racial composition of the student body?

72% of Stonybrook Elementary School students are White, 11% of students are Hispanic, 7% of students are Asian, 7% of students are Two or more races, 1% of students are American Indian, 1% of students are Black, and 1% of students are Hawaiian.

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

Stonybrook Elementary School has a student ration of 11:1, which is equal to the New Jersey state average of 11:1.

What grades does Stonybrook Elementary School offer ?

Stonybrook Elementary School offers enrollment in grades 3-5 (No virtual instruction).

What school district is Stonybrook Elementary School part of?

Stonybrook Elementary School is part of Kinnelon School District.

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Quick Facts (2025-26)

Grades: 3-5
Enrollment: 357 students
Student-Teacher Ratio: 11:1
Minority Enrollment: 28%
: Top 20%
: 70% (Top 20%)
: 67% (Top 30%)
: 35-39% (Top 20%)
Source: National Center for Education Statistics (NCES), NJ Dept. of Education