William Mason School

5 Shawnee Trail
Montville, NJ 07045
(School attendance zone shown in map)
9/
10
Top 20%
Serving 290 students in grades Kindergarten-5, William Mason School ranks in the top 20% of all schools in New Jersey for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the New Jersey state average of 36%). The percentage of students achieving proficiency in reading/language arts is 70-74% (which is higher than the New Jersey state average of 49%).
The student:teacher ratio of 9:1 is lower than the New Jersey state level of 11:1.
Minority enrollment is 30% of the student body (majority Asian and Hispanic), which is lower than the New Jersey state average of 62% (majority Hispanic).

Quick Stats (2025)

  • Grades: Kindergarten-5
  • Enrollment: 290 students
  • Student:Teacher Ratio: 9:1
  • Minority Enrollment: 30%
  • : Top 20% in NJ
  • : 65-69% (Top 20%)
  • : 70-74% (Top 20%)
  • : 30-39% (Top 30%)
  • Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Top Rankings

William Mason School ranks among the top 20% of public schools in New Jersey for:

School Overview

William Mason School's student population of 290 students has grown by 26% over five school years.
The teacher population of 32 teachers has grown by 23% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
290 students
This chart displays total students of William Mason School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of William Mason School
Total Classroom Teachers
32 teachers
This chart displays the total teachers of William Mason School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of William Mason School by grade.

School Rankings

William Mason School ranks within the top 20% of all 2,201 schools in New Jersey (based off of combined math and reading proficiency testing data).
The diversity score of William Mason School is 0.48, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
This School
State Level (NJ)
#240 out of 2201 schools
(Top 20%)
This chart displays the overall school rank of William Mason School, with the latest 2021-22 school year data.
65-69%
36%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of William Mason School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in New Jersey by year, with the latest 2021-22 school year data.
70-74%
49%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of William Mason School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of New Jersey by year, with the latest 2021-22 school year data.
30-39%
23%
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of William Mason School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in New Jersey by year, with the latest 2021-22 school year data.
Student : Teacher Ratio
9:1
11:1
This chart displays the student teacher ratio of William Mason School and the public school average student teacher ratio of New Jersey by year, with the latest 2022-23 school year data.
American Indian
n/a
n/a
Asian
13%
10%
This chart displays the percentage of Asian students in William Mason School and the percentage of Asian public school students in New Jersey by year, with the latest 2022-23 school year data.
Hispanic
12%
34%
This chart displays the percentage of Hispanic students in William Mason School and the percentage of Hispanic public school students in New Jersey by year, with the latest 2022-23 school year data.
Black
1%
15%
This chart displays the percentage of Black students in William Mason School and the percentage of Black public school students in New Jersey by year, with the latest 2022-23 school year data.
White
70%
38%
This chart displays the percentage of White students in William Mason School and the percentage of White public school students in New Jersey by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
4%
3%
This chart displays the percentage of students of two or more races in William Mason School and the percentage of public school students of two or more races in New Jersey by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in William Mason School.
This chart displays the percentage breakdown of public school students of all ethnic groups in New Jersey.
0.48
This chart displays the diversity score of William Mason School and the public school average diversity score of New Jersey by year, with the latest 2022-23 school year data.
Eligible for Free Lunch
4%
32%
This chart displays the percentage of students who is eligible for free lunch in William Mason School and the percentage of public school students who is eligible for free lunch in New Jersey by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
1%
6%
This chart displays the percentage of students who is eligible for reduced lunch in William Mason School and the percentage of public school students who is eligible for reduced lunch in New Jersey by year, with the latest 2019-20 school year data.
Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Frequently Asked Questions

What is William Mason School's ranking?
William Mason School is ranked #240 out of 2,201 schools, which ranks it among the top 20% of public schools in New Jersey.
What schools are William Mason School often compared to?
William Mason Schoolis often viewed alongside schools like Riverview Elementary School, Valley View School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 36% NJ state average), while 70-74% of students have achieved reading proficiency (compared to the 49% NJ state average).
How many students attend William Mason School?
290 students attend William Mason School.
What is the racial composition of the student body?
70% of William Mason School students are White, 13% of students are Asian, 12% of students are Hispanic, 4% of students are Two or more races, and 1% of students are Black.
What is the student:teacher ratio of William Mason School?
William Mason School has a student ration of 9:1, which is lower than the New Jersey state average of 11:1.
What grades does William Mason School offer ?
William Mason School offers enrollment in grades Kindergarten-5
What school district is William Mason School part of?
William Mason School is part of Montville Township School District.

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Quick Stats (2025)

  • Grades: Kindergarten-5
  • Enrollment: 290 students
  • Student:Teacher Ratio: 9:1
  • Minority Enrollment: 30%
  • : Top 20%
  • : 65-69% (Top 20%)
  • : 70-74% (Top 20%)
  • : 30-39% (Top 30%)
  • Source: National Center for Education Statistics (NCES), NJ Dept. of Education

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