Average
#1559 of 2,466 schools in NJ
William Mason School
Elementary School · Montville Township School District · Montville, NJ
A Montville Township School District elementary school serving grades Kindergarten – 5th.
5 SHAWNEE TRAIL, Montville, NJ 07045
- Math 62% vs NJ 47% (2025)
- Reading 69% vs NJ 50% (2025)
- 9.1:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
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Students at William Mason School score 65% proficient, which is below what's typical for similar communities (expected: 66%).
2025 NJSLA proficiency
Most recent published year. School vs. NJ average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 13 points since 2021, reaching 65% in 2025.
Show all 16 years
Multi-year averages used by the rating model: math 71% (multi-year average, 2009-2025) · reading/ELA 74% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 41 test records from NJ state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
5.2%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where William Mason School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the New York map →
Getting around & local context
- Walk 4Car-Dependent
- Bike 1Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$179,279
Median home value
$647,200
Median rent
$3,501/mo
College educated
67.6%
Homeownership
97.8%
Poverty rate
2.9%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 07045; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Our Lady of Mount Carmel SchoolPrivate · tuition | 5.1private | PK–8 | 2.0 mi | 195 | Compare → |
| School Street SchoolEnrollment path unverified | 7.4 | PK–2 | 2.0 mi | 317 | Compare → |
| Apple Montessori School of TowacoPrivate · tuition | Not rated | PK–K | 2.1 mi | 12 | Compare → |
| AlphabetlandPrivate · tuition | Not rated | PK–1 | 2.2 mi | 3 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Montville Township School District
- Schools in district
- 7
- Rank in district
- #7 of 7
- District spending per student
- $29,250NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 2.9%Census SAIPE · 2024
William Mason School is listed in Montville Township School District; a district label does not verify attendance for an address.
About William Mason School
William Mason School is a public elementary school in Montville, NJ, part of Montville Township School District, serving approximately 290 students in grades Kindergarten-5th with a 9.1:1 student-teacher ratio. It holds a MySchoolScout rating of 5.9 out of 10 and ranks #1,559 of 2,466 schools in NJ. State assessment records show 71% math proficiency (multi-year average, 2009-2025) and 74% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about William Mason School
What grades does William Mason School serve?
William Mason School serves students in grades Kindergarten through 5th.
How many students attend William Mason School?
William Mason School has an enrollment of approximately 290 students.
What is the student-teacher ratio at William Mason School?
The student-teacher ratio at William Mason School is 9.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does William Mason School rank in NJ?
William Mason School ranks #1,559 of 2,466 schools in NJ.
What is William Mason School's MySchoolScout rating?
William Mason School has a current MySchoolScout rating of 5.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at William Mason School?
Based on loaded state assessment records, William Mason School has 71% math proficiency (multi-year average, 2009-2025) and 74% reading/ELA proficiency (multi-year average, 2009-2025).
Is William Mason School a charter school?
No, William Mason School is not a charter school. It is a traditional public school operated by the local school district.
Is William Mason School a Title I school?
No, William Mason School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for William Mason School?
5.2% of students at William Mason School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Kindergarten – 5th
- Enrollment
- 290
- Student-Teacher Ratio
- 9.1:1
- Teachers (FTE)
- 32
- Type
- regular
- Setting
- Large Suburb
- County
- Morris County
- Chronic Absenteeism (SY 2022-23)
- 11.0%
- Phone
- (973) 331-7100
- Area population (ZIP 07045)
- 10,206
- Area average commute
- 34.6 min
- Area median age
- 48.6
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 NJSLA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 NJSLA. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 NJSLA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 NJSLA. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 07045; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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