A+
Hartshorn School
PublicElementaryGrades K–4
400 Hartshorn Drive, Short Hills, NJ 07078 · (973) 379-7550 · Part of Millburn Township School District
Students
392
Students per teacher
11:1
Free or reduced lunch
1%
Setting
Suburb
Grades
K–4
What stands out about Hartshorn School
- School Grade A+: 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: 11:1 students per teacher
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency77%
State average 25.4%
Reading / language arts72%
State average 47.3%
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.
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.
What neighbors say
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Parents talk
Conversations in Town Square that mention Hartshorn School.
Other schools in Millburn Township School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.