St. Mary's Grade School (2026 Profile)

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St. Mary's Grade School

807 E Thayer Ave
Bismarck, ND 58501

Tel: (701) 223-0225

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St. Mary's Grade School was established in 1878 as St. Mary's Academy and Boarding School, Bismarck's first school; St. Mary's served as the only Catholic School in Bismarck for nearly 70 years and as such set the standard for Catholic School education.

St. Mary's Grade School is one of five schools within the Light of Christ Catholic School system. Light of Christ Schools began in 2012.

St. Mary's Grade School offers a modern educational program in which students learn mathematics, morality, fine arts, faith and love in small classes taught by caring teachers.

The 275 children at St. Mary's Grade School have opportunities to discover themselves as scholars, leaders, stewards, thinkers and artists.

We also boast top-notch facilities that include a library, an art room, gymnasium and music classroom.

Continuing in this rich tradition, St. Mary's Grade School is committed to the mission of LIght of Christ Schools: Encountering Christ in our Catholic Faith through living, learning and serving.

Quick Facts (2026)

Grades: Prekindergarten-5
Enrollment: 265 students
Average class size: 15 students
Application Deadline: None / Rolling
Source: Verified school update

School Overview

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-5

Student Body

Total Students

265 students

Student Body Type

Co-ed

% Students of Color

State avg.: 14%

Students by Grade

Academics and Faculty

Total Classroom Teachers

15 teachers

Student-Teacher Ratio

18:1

National avg.:

Average Class Size

15 students

Classroom Dress Code

Formal

School uniforms required for grades kindergarten through 5th grade.

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Application URL

School Notes

St. Mary's Grade School was established in 1878 as St. Mary's Academy and Boarding School, Bismarck's first school; St. Mary's served as the only Catholic School in Bismarck for nearly 70 years and as such set the standard for Catholic School education. St. Mary's Grade School offers a modern educational program in which students learn mathematics, morality, fine arts, faith, and love in small classes taught by caring teachers. The 275 children at St. Mary's Grade School have opportunities to discover themselves as scholars, leaders, stewards, thinkers, and artists.
We also boast top-notch facilities that include a library, an art room, gymnasium and music classroom. Continuing in this rich tradition, St. Mary's Grade School is committed to the mission of LIght of Christ Schools: Encountering Christ in our Catholic Faith through living, learning and serving.

Source: Verified school update

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Frequently Asked Questions

What schools are St. Mary's Grade School often compared to?

St. Mary's Grade School is often viewed alongside schools like St. Anne School by visitors of our site.

When is the application deadline for St. Mary's Grade School?

The application deadline for St. Mary's Grade School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

Grades: Prekindergarten-5
Enrollment: 265 students
Average class size: 15 students
Application Deadline: None / Rolling
Source: Verified school update

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Did You Know?

The average private school tuition in North Dakota is $6,025 for elementary schools and $9,883 for high schools (read more about average private school tuition across the country).

The average acceptance rate in North Dakota is 95% (read more about average acceptance rates across the country).