William Mason School
MONTVILLE, NJ · Montville Township School District
Regular public school · Grades K-5 · Suburb, large
362nd of 1,324 New Jersey elementary schools statewide · better than 73%▼ Declining
5 SHAWNEE TRAIL, MONTVILLE, NJ 07045
(973)331-7100NCES ID 341065004342Directory 2023–24
SchoolRow ranks William Mason School 362nd of 1,324 New Jersey elementary schools for 2024–25, based on NJ School Performance Reports 2024–25 English and Math results — better than 73% of elementary schools statewide. Its statewide percentile went from 90th in 2019 to 73th in 2025 — declining.
Percent meeting or exceeding the state standard, NJ School Performance Reports 2024–25 · 144 students tested
Racial and ethnic breakdown of 290 students (2023–24, NCES) — history since 1988, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| White | 84.4% | 70.0% | ▼ 14.4 pts | |
| Asian | 11.1% | 13.1% | ▲ 2.0 pts | |
| Hispanic | 3.8% | 12.1% | ▲ 8.3 pts | |
| Two or more races | 0.0% | 3.4% | ▲ 3.4 pts | |
| Black | 0.3% | 1.0% | ▲ 0.7 pts |
NCES history for this school begins in 1988. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $830K in zip 07045 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than William Mason School
- –School Street SchoolBoonton Town Public School District · 2 mi awayCompare
- #150Rockaway Valley SchoolBoonton Township School District · 2.4 mi away150th of 1,324
ELA 80% ▲13 · Math 70% ▲10Compare - #70Cedar Hill SchoolMontville Township School District · 2.4 mi away70th of 1,324
ELA 83% ▲16 · Math 78% ▲18Compare - #127Valley View SchoolMontville Township School District · 3.1 mi away127th of 1,324
ELA 77% ▲10 · Math 76% ▲16Compare - #354Knollwood Elementary SchoolParsippany-Troy Hills Township School District · 3.1 mi away354th of 1,324
ELA 65% ▼2 · Math 63% ▲3Compare - #24Wildwood Elementary SchoolMountain Lakes Public School District · 3.3 mi away24th of 1,324
ELA 87% ▲20 · Math 85% ▲25Compare - #116Stonybrook Elementary SchoolKinnelon School District · 3.5 mi away116th of 1,324
ELA 75% ▲8 · Math 80% ▲20Compare - #368Lake Hiawatha Elementary SchoolParsippany-Troy Hills Township School District · 3.5 mi away368th of 1,324
ELA 61% ▼6 · Math 66% ▲6Compare
What school district is William Mason School in?
William Mason School is part of the Montville Township School District district in MONTVILLE, New Jersey.
Is William Mason School a good school?
SchoolRow ranks William Mason School 362nd of 1,324 New Jersey elementary schools (better than 73% statewide) based on 2024–25 test results (NJ School Performance Reports 2024–25).
What is the racial makeup of William Mason School?
White 70%, Asian 13%, Hispanic 12%, Two or more races 3% (290 students, 2023–24).
How much do homes near William Mason School cost?
The typical home value in zip code 07045 is $830K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (NJ School Performance Reports 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.