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A+

Hartshorn School

PublicElementaryGrades K–4

400 Hartshorn Drive, Short Hills, NJ 07078 · (973) 379-7550 · Part of Millburn Township School District

Millburn Township’s School Grade A better than 94% of New Jersey school districts

Directions
Students
392
Students per teacher
11:1
Free or reduced lunch
1%
Setting
Suburb
Grades
K–4
The gist

What stands out about Hartshorn School

  • Its own letter, A+: reading and math results near the top of New Jersey’s public schools
  • Math proficiency 52 pts above the state
  • Reading / language arts 25 pts above the state
  • Small classes: 11 students per teacher
  • Next stop for Millburn Township kids: Millburn Middle School

On the path

Where Millburn Township kids come from and go next. The whole path →

K–4Hartshorn SchoolYou are here
6–8Millburn Middle Schoolin Millburn

Test scores

2020–21
Math proficiency77%
State average 25.4%
Reading / language arts72%
State average 47.3%

Its own letter, A+, places these results among New Jersey’s 2,144 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

400 Hartshorn Drive, Short Hills

Students

Enrollment by grade
Kindergarten55
Grade 173
Grade 277
Grade 3104
Grade 483
Enrollment over time
393’20
432’21
437’22
428’23
392’24

About steady since 2020–21.

Who goes here
Asian 48%White 38%Two or more races 8%Hispanic 3%Black 2%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Hartshorn School from Millburn Township families.

Other schools in Millburn Township School District

The district →
South Mountain School
Elementary · Grades PK–4 · Millburn
A+
278 students10:1
Deerfield School
Elementary · Grades K–4 · Short Hills
A+
358 students12:1
Wyoming School
Elementary · Grades K–4 · Millburn
A+
346 students13:1
Glenwood School
Elementary · Grades K–4 · Short Hills
A+
315 students13:1
Washington School
Middle · Grades 5 · Millburn
A+
363 students11:1
Millburn Middle School
Middle · Grades 6–8 · Millburn
A+
1,106 students11:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against New Jersey’s other public schools; Millburn Township’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.