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A−

William Mason School

PublicElementaryGrades K–5

5 Shawnee Trail, Montville, NJ 07045 · (973) 331-7100 · Part of Montville Township School District

Montville Township’s School Grade A better than 87% of New Jersey school districts

Directions
Students
285
Students per teacher
9:1
Free or reduced lunch
4%
Setting
Suburb
Grades
K–5
The gist

What stands out about William Mason School

  • Its own letter, A−: reading and math results near the top of New Jersey’s public schools
  • Math proficiency 17 pts above the state
  • Reading / language arts 15 pts above the state
  • Small classes: 9 students per teacher
  • Enrollment up 19.2% since 2020–21
  • Next stop for Montville Township kids: Robert R Lazar Middle School

On the path

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

K–5William Mason SchoolYou are here
6–8Robert R Lazar Middle Schoolin Montville

Test scores

2020–21
Math proficiency42%
State average 25.4%
Reading / language arts62%
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 ↗

5 Shawnee Trail, Montville

Students

Enrollment by grade
Kindergarten45
Grade 141
Grade 254
Grade 344
Grade 448
Grade 553
Enrollment over time
239’20
255’21
277’22
290’23
285’24

Up 19.2% since 2020–21.

Who goes here
White 72%Asian 13%Hispanic 11%Two or more races 3%Black <1%

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

Parents talk

Questions and answers about William Mason School from Montville Township families.

Other schools in Montville Township School District

The district →
Valley View School
Elementary · Grades PK–5 · Montville Township
A+
360 students10:1
Cedar Hill School
Elementary · Grades PK–5 · Towaco
A
329 students10:1
Woodmont School
Elementary · Grades K–5 · Pine Brook
A
366 students12:1
Hilldale School
Elementary · Grades K–5 · Pine Brook
A+
327 students11:1
Robert R Lazar Middle School
Middle · Grades 6–8 · Montville
A
798 students11:1
Montville Township High School
High · Grades 9–12 · Montville
A
1,035 students10:1

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