草榴社区

St. Mary School

32 Carroll Ave A
Williamstown, NJ 08094
St. Mary School is a Catholic School committed to sharing gospel values and social justice issues.
We, as a school community, offer an environment where students are challenged to reach their potential academically, are called to live Gospel values, and are taught to respect themselves and others.
At St. Mary School we are proud of the education that we offer and the diversity of our programs.

Quick Facts (2026)

  • Top-Ranked NJ School
  • Grades: Prekindergarten-8
  • Enrollment: 430 students
  • Yearly Tuition: $6,175
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

Top Rankings

St. Mary School ranks among the top 20% of private schools in New Jersey for:

Category
Attribute
Affordability
Student Body

School Overview

Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
2000
School Calendar

Student Body

Total Students
430 students
Student Body Type
Co-ed
% Students of Color
15%
State avg.: 40%
Students by Grade

Academics and Faculty

Total Classroom Teachers
26 teachers
Student-Teacher Ratio
17:1
National avg.:

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Source: National Center for Education Statistics (NCES)

Frequently Asked Questions

How much does St. Mary School cost?
St. Mary School's tuition is approximately $6,175 for private students.
What is St. Mary School's ranking?
St. Mary School ranks among the top 20% of private schools in New Jersey for: Least expensive tuition and Largest student body.
When is the application deadline for St. Mary School?
The application deadline for St. Mary School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

  • Top-Ranked NJ School
  • Grades: Prekindergarten-8
  • Enrollment: 430 students
  • Yearly Tuition: $6,175
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Gloucester County, NJ is $7,801 for elementary schools (read more about average private school tuition across the country).

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