St. Mary's Grade School
Diocesan school · Grades K–5
Bismarck, ND
807 E Thayer Ave, Bismarck, ND 58501
Overall grade: B-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- B+Years serving families
- B+Diversity
What stands out
- One of the most diverse private schools in North Dakota
In Bismarck, North Dakota, St. Mary's Grade School is a Catholic diocesan school for students from kindergarten through 5th grade. About 226 students attend, with roughly 16 students per teacher. Enrollment is up about 11% since 2013–14. The school is part of the Diocese of Bismarck. The school day runs about 7 hours, 174 days a year.
At a glance
- Grades
- Grades K–5
- Students
- 226
- Teachers
- 14 (full-time equivalent)
- Students per teacher
- 16.1
- Boys and girls
- Coed · 101 girls, 125 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Bismarck
- School day
- About 7 hours
- School year
- 174 days
Reviews
Be the first to share what you love about St. Mary's Grade School.
How it compares
- Larger than 83% of Catholic elementary schools in North Dakota.
- Compared with 18 Catholic elementary schools in North Dakota.
Students by survey year
Total students reported in official records since 2013–14.
Students by grade
Student body
Member of
- National Catholic Educational Association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about St. Mary's Grade School
What grades does St. Mary's Grade School serve?
St. Mary's Grade School serves grades K–5.
How many students attend St. Mary's Grade School?
About 226 students, with 16 students per teacher, according to official records.
How much is tuition at St. Mary's Grade School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
Other private schools nearby
Martin Luther School
Lutheran (Missouri Synod) school · Grades Pre-K–7
Smaller classes than 83% of Christian schools nationwide
Bismarck, ND0.4 mi
Light of Christ Catholic Schools
Diocesan school · Grades Pre-K–12
The largest of 25 Catholic schools in North Dakota
Bismarck, ND0.7 mi
The Innovation School
Independent school · Grades Pre-K–8
The only independent school in Bismarck
Bismarck, ND0.9 mi
St. Anne School
Independent Catholic school · Grades Pre-K–5
One of the most diverse private schools in North Dakota
Bismarck, ND0.9 mi
Shiloh Christian School
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in North Dakota
Bismarck, ND2.0 mi
St. Mary's Central High School
Diocesan school · Grades 9–12
The smallest classes of any Catholic school in Bismarck
Bismarck, ND4.2 mi