Hartshorn School (Ranked Top 5% for 2025-26)

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Hartshorn School

400 Hartshorn Drive
Short Hills, NJ 07078

( shown in map)

10/

Top 5%

Serving 428 students in grades Kindergarten-4, Hartshorn School ranks in the top 5% of all schools in New Jersey for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).

The percentage of students achieving is 80-84% (which is higher than the New Jersey state average of 38%). The percentage of students achieving is 80-84% (which is higher than the New Jersey state average of 49%).

The student-teacher ratio of 12:1 is higher than the New Jersey state level of 11:1.

Minority enrollment is 61% of the student body (majority Asian), which is lower than the New Jersey state average of 62% (majority Hispanic and Black).

Quick Facts (2025-26)

Grades: Kindergarten-4
Enrollment: 428 students
Student-Teacher Ratio: 12:1
Minority Enrollment: 61%
: Top 5% in NJ
: 80-84% (Top 5%)
: 80-84% (Top 5%)
Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Top Rankings

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

School Overview

Hartshorn School's student population of 428 students has grown by 5% over five school years.

The teacher population of 35 teachers has grown by 6% over five school years.

Grades Offered

Grades Kindergarten-4
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Hartshorn School
Kind	68
1	80
2	102
3	81
4	97

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Total Students

428 students

View Data

Total Students Trends Over Years (1990-2023)
Year	Hartshorn School
2023	437
2022	432
2021	393
2020	404
2019	404
2018	496
2017	496
2016	527
2015	539
2014	541
2013	549
2012	544
2011	533
2010	504
2009	527
2008	540
2007	558
2006	569
2005	544
2004	539
2003	483
2002	501
2001	496
2000	451
1999	444
1998	333
1996	271
1995	244
1994	295
1993	246
1992	226
1991	210
1990	192

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Gender %

Total Classroom Teachers

35 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Hartshorn School
2023	34
2022	34
2021	35
2020	33
2019	33
2018	36
2017	36
2016	39
2015	39
2014	39
2013	36
2012	37
2011	37
2010	37
2009	44
2008	32
2007	35
2006	38
2005	35
2004	33
2003	30
2002	31
2001	27
2000	27
1999	29
1998	16
1996	16
1995	16
1994	16
1993	14
1992	12
1991	12
1990	11

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Last Day of School

Sat. Jun 20, 2026

School Rankings

Hartshorn School ranks within the top 5% of all 2,184 schools in New Jersey (based off of combined math and reading proficiency testing data).

The of Hartshorn School is 0.61, 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)

#54 out of 2184 schools
(Top 5%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Hartshorn School
2023	#54
2022	#39
2021	#37
2019	#37
2018	#46
2017	#25
2016	#46
2015	#25
2014	#68
2013	#95
2012	#100

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80-84%

38%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	82%	38%	82%
2022	87%	36%	80%
2021	77%	26%	68%
2019	87%	44%	83%
2018	87%	42%	82%
2017	88%	41%	80%
2016	87%	40%	77%
2015	78%	36%	67%
2014	96%	75%	93%
2013	95%	75%	94%
2012	96%	75%	94%

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80-84%

49%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Hartshorn School	New Jersey	Millburn Township School District
2022	82%	49%	83%
2021	72%	47%	79%
2019	87%	57%	88%
2018	87%	55%	82%
2017	90%	53%	85%
2016	86%	50%	80%
2015	90%	47%	76%
2014	92%	69%	92%
2013	92%	69%	92%
2012	88%	69%	91%
2011	90%	69%	90%

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Student-Teacher Ratio

12:1

11:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	13:1	11:1	11:1
2022	13:1	11:1	12:1
2021	11:1	11:1	12:1
2020	12:1	12:1	13:1
2019	12:1	12:1	13:1
2018	14:1	12:1	12:1
2017	14:1	12:1	12:1
2016	14:1	12:1	12:1
2015	14:1	12:1	12:1
2014	14:1	12:1	12:1
2013	15:1	12:1	13:1
2012	15:1	13:1	13:1
2011	15:1	15:1	14:1
2010	14:1	14:1	13:1
2009	12:1	12:1	12:1
2008	17:1	15:1	15:1
2007	16:1	13:1	13:1
2006	15:1	13:1	13:1
2005	16:1	13:1	13:1
2004	16:1	13:1	13:1
2003	16:1	14:1	13:1
2002	16:1	14:1	14:1
2001	18:1	15:1	16:1
2000	17:1	14:1	16:1
1999	15:1	15:1	15:1
1998	21:1	15:1	17:1
1996	17:1	15:1	14:1
1995	16:1	15:1	14:1
1994	19:1	15:1	15:1
1993	18:1	15:1	15:1
1992	19:1	15:1	14:1
1991	18:1	15:1	14:1
1990	17:1	15:1	14:1

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American Indian

n/a

Asian

48%

10%

View Data

Asian Student Percentage Comparison Over Years (1992-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	47%	10%	46%
2022	46%	10%	43%
2021	44%	10%	41%
2020	42%	11%	36%
2019	42%	11%	36%
2018	30%	10%	31%
2017	30%	10%	31%
2016	27%	10%	28%
2015	27%	10%	28%
2014	25%	10%	24%
2013	24%	10%	23%
2012	24%	9%	22%
2011	20%	9%	19%
2010	19%	9%	17%
2009	17%	9%	17%
2008	17%	9%	16%
2007	14%	8%	15%
2006	13%	8%	14%
2005	14%	7%	13%
2004	11%	7%	13%
2003	11%	7%	12%
2002	10%	7%	12%
2001	11%	6%	11%
2000	11%	6%	11%
1999	9%	6%	9%
1998	10%	6%	10%
1996	10%	5%	7%
1995	9%	5%	9%
1994	9%	5%	10%
1993	12%	5%	10%
1992	13%	5%	11%

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Hispanic

34%

View Data

Hispanic Student Percentage Comparison Over Years (1989-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	3%	33%	5%
2022	3%	32%	5%
2021	3%	31%	5%
2020	3%	29%	5%
2019	3%	29%	5%
2018	5%	27%	5%
2017	5%	27%	5%
2016	4%	26%	5%
2015	3%	25%	3%
2014	2%	24%	3%
2013	3%	23%	3%
2012	3%	23%	3%
2011	2%	22%	3%
2010	1%	21%	3%
2009	1%	20%	2%
2008	1%	19%	2%
2007	1%	19%	2%
2006	1%	18%	2%
2005	1%	18%	2%
2004	1%	17%	2%
2003	2%	17%	2%
2002	2%	16%	2%
2001	1%	15%	2%
2000	1%	15%	1%
1999	1%	14%	2%
1996	1%	14%	1%
1993	1%	13%	1%
1992	2%	12%	1%
1991	3%	12%	1%
1990	2%	11%	1%
1989	2%	11%	1%

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Black

15%

View Data

Black Student Percentage Comparison Over Years (2006-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	3%	15%	3%
2022	2%	15%	3%
2021	1%	15%	2%
2020	1%	15%	2%
2019	1%	15%	2%
2011	1%	16%	2%
2010	1%	17%	2%
2009	1%	17%	1%
2008	1%	17%	1%
2007	1%	17%	1%
2006	1%	18%	1%

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White

39%

38%

View Data

White Student Percentage Comparison Over Years (1992-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	39%	39%	39%
2022	41%	40%	42%
2021	44%	41%	45%
2020	50%	43%	52%
2019	50%	43%	52%
2018	63%	45%	59%
2017	63%	45%	59%
2016	66%	46%	62%
2015	70%	48%	67%
2014	73%	49%	70%
2013	72%	50%	71%
2012	72%	51%	73%
2011	76%	52%	76%
2010	79%	53%	78%
2009	80%	54%	80%
2008	81%	55%	81%
2007	84%	56%	82%
2006	85%	56%	83%
2005	85%	57%	84%
2004	87%	58%	84%
2003	87%	58%	85%
2002	88%	59%	85%
2001	88%	61%	86%
2000	88%	61%	87%
1999	88%	62%	86%
1998	90%	62%	87%
1996	89%	62%	88%
1995	91%	63%	88%
1994	89%	63%	88%
1993	87%	63%	88%
1992	85%	64%	87%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2011-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	8%	3%	7%
2022	8%	3%	7%
2021	8%	3%	7%
2020	4%	2%	5%
2019	4%	2%	5%
2018	2%	2%	4%
2017	2%	2%	4%
2016	3%	2%	4%
2013	1%	1%	1%
2012	1%	1%	1%
2011	1%	1%

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All Ethnic Groups

0.61

0.72

View Data

Diversity Score Comparison Over Years (1992-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	0.63	0.71	0.63
2022	0.62	0.71	0.63
2021	0.61	0.71	0.62
2020	0.58	0.70	0.60
2019	0.58	0.70	0.60
2018	0.52	0.70	0.56
2017	0.52	0.70	0.56
2016	0.49	0.69	0.54
2015	0.44	0.68	0.48
2014	0.41	0.68	0.45
2013	0.43	0.67	0.44
2012	0.43	0.66	0.42
2011	0.39	0.65	0.39
2010	0.34	0.65	0.36
2009	0.33	0.64	0.34
2008	0.32	0.63	0.32
2007	0.28	0.62	0.30
2006	0.26	0.62	0.29
2005	0.26	0.61	0.28
2004	0.23	0.60	0.28
2003	0.23	0.60	0.27
2002	0.22	0.59	0.26
2001	0.22	0.58	0.24
2000	0.22	0.57	0.24
1999	0.22	0.57	0.23
1998	0.19	0.57	0.22
1996	0.20	0.56	0.22
1995	0.19	0.55	0.22
1994	0.20	0.55	0.22
1993	0.23	0.55	0.22
1992	0.26	0.54	0.24

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Eligible for

32%

View Data

Free Lunch Eligibility Comparison Over Years (1991-2023)
Year	Hartshorn School	New Jersey	Millburn Township School District
2023	1%	31%	1%
2022	1%	30%	1%
2021	1%	32%	1%
2020	1%	33%	1%
2019	1%	33%	1%
1993	1%	23%	1%
1992	1%	21%
1991	1%	18%

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School Statewide Testing

School District Name

Millburn Township School District

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

Frequently Asked Questions

What is Hartshorn School's ranking?

Hartshorn School is ranked #54 out of 2,184 schools, which ranks it among the top 5% of public schools in New Jersey.

What schools are Hartshorn School often compared to?

Hartshorn Schoolis often viewed alongside schools like Glenwood School, Deerfield School by visitors of our site.

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

80-84% of students have achieved math proficiency (compared to the 38% NJ state average), while 80-84% of students have achieved reading proficiency (compared to the 49% NJ state average).

How many students attend Hartshorn School?

428 students attend Hartshorn School.

What is the racial composition of the student body?

48% of Hartshorn School students are Asian, 39% of students are White, 9% of students are Two or more races, 3% of students are Hispanic, and 1% of students are Black.

What is the student-teacher ratio of Hartshorn School?

Hartshorn School has a student ration of 12:1, which is higher than the New Jersey state average of 11:1.

What grades does Hartshorn School offer ?

Hartshorn School offers enrollment in grades Kindergarten-4 (No virtual instruction).

What school district is Hartshorn School part of?

Hartshorn School is part of Millburn Township School District.

School Reviews

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Quick Facts (2025-26)

Grades: Kindergarten-4
Enrollment: 428 students
Student-Teacher Ratio: 12:1
Minority Enrollment: 61%
: Top 5%
: 80-84% (Top 5%)
: 80-84% (Top 5%)
Source: National Center for Education Statistics (NCES), NJ Dept. of Education