Elementary school (grades K-5) · Montville, NJ

William Mason School

Federal NCES profile for William Mason School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 66/100.

2024-25 NCES dataElementary school (grades K-5)NCES 341065004342
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Compiled from official source data by .
0/100100/10066/100
👥 S:T ratio
66
🌟 Gifted program
70
🎓 Counselors
43
📋 Attendance
84
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

William Mason School earns 66/100 on the Resource Investment Index, with class sizes smaller than 89% of New Jersey schools.

#3 of 3
public schools in Montville · Resource Index
66
Resource Index · Higher
8.6:1
small classes for New Jersey
3.2%
free-lunch eligible

William Mason School has class sizes smaller than 89% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.

By Resource Investment Index, William Mason School ranks #3 of 3 public schools in Montville, NJ.

School address

Montville, NJ 07045
District: Montville Township School District · New Jersey

NCES ID 341065004342 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

+13 students YoY

William Mason School held near 290 students from 2022-23 to 2023-24 (+13 headcount).

Teacher FTE lost 33.1 → 32.3 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

+13 students YoY 341065004342 · Montville, NJ Elementary · SMALL · TRAD

285 enr · 8.6:1 · 3.2% lunch · RII 66

Nearest enrollment peer: Montville Township High School (1,035 students)

William Mason School held near 290 students from 2022-23 to 2023-24 (+13 headcount). Teacher FTE lost 33.1 → 32.3 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →

William Mason School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows William Mason School reports 285 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How William Mason School compares

William Mason School held steady on CCD headcount: ratios and free-lunch share vs New Jersey and U.S. means.

Metric This school vs New Jersey New Jersey avg U.S. avg
Students per teacher 8.6:1 ▼ 27% 11.8:1 15.7:1
Free-lunch eligible 3.2% ▼ 89% 29.6% 51.7%
Enrollment 285 top 77% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

8.6:1
Leaner classes than 94% of US schools, among the more generously staffed nationally.
285
Bigger than 30% of US schools by enrollment, mid-sized for the country.

Equity indicators methodology

Economic need
3.2%
free-lunch eligible - 89% below the New Jersey average of 29.6%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
8.6:1
students per teacher - 27% below state mean
Top 11% in New Jersey - lower ratio than 89% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
6.3%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$28,971
per pupil, district-wide - above New Jersey avg of $26,225
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 285 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 72.3%
Asian 12.6%
Hispanic or Latino 11.2%
Two or More 3.2%
African American 0.7%

Largest group: White at 72.3% of enrollment.

Student-body diversity index 44.8/100

Simpson diversity index - at 44.8, William Mason School is less mixed than the New Jersey school average of 51.2.

Programs

Gifted & talented Yes

District finance for Montville Township School District reports $28,971 per pupil (NCES F-33) - open the district page for the full revenue mix.

How William Mason School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Montville Township High School Larger Similar economic need Similar S:T ratio
Robert R Lazar Middle School Larger Similar economic need Higher S:T ratio
Woodmont School Larger Similar economic need Higher S:T ratio
Valley View School Larger Similar economic need Higher S:T ratio
Cedar Hill School Similar size Similar economic need Similar S:T ratio

Comparisons are relative to William Mason School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Montville Township School District · 5 sibling schools

View district profile

Nationwide elementary schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~285 students)

Similar student-teacher ratio (~8.6:1)

Frequently asked questions about William Mason School

How many students attend William Mason School?

William Mason School has 285 students enrolled. It is an elementary school in Montville, NJ. CCD year-over-year: 277 (2022-23) → 290 (2023-24), nearly flat (+13).

What is the student-teacher ratio at William Mason School?

The student-teacher ratio at William Mason School is 8.6:1, which is 27% lower than the New Jersey average of 11.8:1 and 45% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at William Mason School?

3.2% of students at William Mason School are eligible for free lunch, compared to the New Jersey average of 29.6%.

What is the racial and ethnic makeup of William Mason School?

The largest demographic group at William Mason School is White at 72.3% of enrollment, in Montville, NJ.

What is the Resource Investment Index for William Mason School?

William Mason School has a Resource Investment Index of 66/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does William Mason School rank among public schools in Montville?

By Resource Investment Index, William Mason School ranks #3 of 3 public schools in Montville, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.

What other schools are in Montville Township School District?

Besides William Mason School, Montville Township School District also operates Montville Township High School (1,035 students), Robert R Lazar Middle School (798 students), and Woodmont School (366 students). See the Montville Township School District district page for the complete list.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Compiled from official source data by .