Home > Indiana > Lake County > Griffith

St. Mary School

525 N Broad St
Griffith, IN 46319

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Tel: (219) 924-8633

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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 (2026)

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:

School Overview

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-8

School Calendar

View School Calendar

Student Body

Total Students

205 students

Student Body Type

Co-ed

% Students of Color

61%

State avg.: 26%

Students by Grade

Academics and Faculty

Total Classroom Teachers

13 teachers

Student-Teacher Ratio

16:1

National avg.: 11:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Source: National Center for Education Statistics (NCES)

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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 (2026)

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 $7,314 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).