William Mason School
Public
Elementary Grades K–5
Part of Montville Township School District
5 SHAWNEE TRAIL, MONTVILLE, NJ 07045 · (973) 331-7100
Community ratings
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Academic performance
Math proficiency42%
State average 25.4%
Reading / language arts62%
State average 47.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
285Students enrolled
9:1Student–teacher ratio
4%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Kindergarten45
Grade 141
Grade 254
Grade 344
Grade 448
Grade 553
Students
White · 72%206
Asian · 13%36
Hispanic · 11%32
Two or more races · 3%9
Black · 1%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
239’20
255’21
277’22
290’23
285’24
Location
5 SHAWNEE TRAIL MONTVILLE
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.