St. Mary School

St. Mary School in Griffith, IN, serves 205 co–ed udents from pre–kindergarten through 8th grade in a suburban community setting.
The Catholic school is affiliated with the National Catholic Educational Association and offers a regular elementary and secondary program.
The school has a udent–teacher ratio of 16:1 with 13 full–time teachers supporting its enrollment.
Mary School ranks in the top 20% of private schools in Indiana for diversity, with 61.27% of udents representing students of color.
Located near other faith–based private schools,. Mary School provides Catholic education in the Griffith suburban area.

Quick Facts (2025-26)

  • Grades: Prekindergarten-8
  • Enrollment: 205 students
  • 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 Indiana for:

Category
Attribute

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8

Student Body

Total Students
205 students
Student Body Type
Co-ed
% Students of Color
61%
State avg.: 26%
Students by Grade
St. Mary School Student By Grade

Academics and Faculty

Total Classroom Teachers
13 teachers
Student-Teacher Ratio
16:1
National avg.: 13:1

Tuition and Acceptance Rate

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

Frequently Asked Questions

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 (2025-26)

  • Grades: Prekindergarten-8
  • Enrollment: 205 students
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Lake County, IN is $7,269 for elementary schools and $7,482 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Lake County, IN is 82% (read more about average acceptance rates across the country).

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