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A

Millstone River School

PublicElementaryGrades 3–5

75 Grovers Mill Road, Plainsboro, NJ 08536 · (609) 716-5500 · Part of West Windsor-Plainsboro Regional School District

Plainsboro Township’s School Grade A better than 89% of New Jersey school districts

Directions
Students
772
Students per teacher
9:1
Free or reduced lunch
10%
Setting
Rural
Grades
3–5
The gist

What stands out about Millstone River School

  • Its own letter, A: reading and math results near the top of New Jersey’s public schools
  • Math proficiency 31 pts above the state
  • Reading / language arts 12 pts above the state
  • Small classes: 9 students per teacher
  • Enrollment down 20.2% since 2020–21

Test scores

2020–21
Math proficiency56%
State average 25.4%
Reading / language arts59%
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 ↗

75 Grovers Mill Road, Plainsboro

Students

Enrollment by grade
Grade 3147
Grade 4291
Grade 5334
Enrollment over time
967’20
869’21
831’22
813’23
772’24

Down 20.2% since 2020–21.

Who goes here
Asian 76%White 8%Hispanic 5%Black 5%Two or more races 4%American Indian/Alaska Native <1%

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

Parents talk

Questions and answers about Millstone River School from Plainsboro Township families.

Other schools in West Windsor-Plainsboro Regional School District

The district →
Maurice Hawk Elementary School
Elementary · Grades PK–3 · West Windsor
A
723 students11:1
Town Center Elementary School at Plainsboro
Elementary · Grades PK–3 · Plainsboro
439 students8:1
Dutch Neck Elementary School
Elementary · Grades K–3 · West Windsor
A+
557 students11:1
J.V.B. Wicoff Elementary School
Elementary · Grades K–3 · Plainsboro
B+
334 students13:1
Village Elementary School
Elementary · Grades 4–5 · West Windsor
A
657 students11:1
Thomas R Grover Middle School
Middle · Grades 6–8 · West Windsor
A
1,183 students12:1

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; Plainsboro Township’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.