William Mason School
MONTVILLE, NJ · Montville Township School District · Grades K-5
362nd of 1,324 New Jersey elementary schools statewide · better than 73%▼ Declining
William Mason School ranking
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.
William Mason School test scores
Percent meeting or exceeding the state standard, NJ School Performance Reports 2024–25 · 144 students tested
William Mason School students
Racial and ethnic breakdown of 290 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| White | 79.2% | 70.0% | ▼ 9.2 pts | |
| Asian | 11.3% | 13.1% | ▲ 1.8 pts | |
| Hispanic | 5.5% | 12.1% | ▲ 6.6 pts | |
| Two or more races | 1.1% | 3.4% | ▲ 2.3 pts | |
| Black | 0.7% | 1.0% | ▲ 0.3 pts |
Homes near William Mason School
Typical home value $830K in zip 07045 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Elementary schools near William Mason School
Closest same-level schools, with 2024–25 state rank
- –School Street SchoolBoonton Town Public School District · 2 mi away
- 9Rockaway Valley SchoolBoonton Township School District · 2.4 mi away150th of 1,324
ELA 80% · Math 70% - 10Cedar Hill SchoolMontville Township School District · 2.4 mi away70th of 1,324
ELA 83% · Math 78% - 10Valley View SchoolMontville Township School District · 3.1 mi away127th of 1,324
ELA 77% · Math 76% - 8Knollwood Elementary SchoolParsippany-Troy Hills Township School District · 3.1 mi away354th of 1,324
ELA 65% · Math 63% - 10Wildwood Elementary SchoolMountain Lakes Public School District · 3.3 mi away24th of 1,324
ELA 87% · Math 85% - 10Stonybrook Elementary SchoolKinnelon School District · 3.5 mi away116th of 1,324
ELA 75% · Math 80% - 8Lake Hiawatha Elementary SchoolParsippany-Troy Hills Township School District · 3.5 mi away368th of 1,324
ELA 61% · Math 66%
Frequently asked questions
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.