St. Mary's Catholic School has been building a strong mind, body and spirit in Christ in a faith-based community.
We believe that parents are the primary educators of their children.
We believe in the uniqueness and dignity of each child.
We believe that St. Mary's School is a Christian community, which provides a Catholic foundation that nurtures the unique abilities of our students while leading them to a full maturity in Christ.
Quick Facts (2025-26)
- Top-Ranked MI School
- School Type: Montessori School
- Grades: Prekindergarten-5
- Enrollment: 86 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Marys Catholic School ranks among the top 20% of private schools in Michigan for:
Category
Attribute
School History
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-5
Year Founded
1850
Last Day of School
Mon. May 25, 2026
Student Body
Total Students
86 students
Student Body Type
Co-ed
% Students of Color
17%
State avg.: 19%
Students by Grade
Academics and Faculty
Total Classroom Teachers
5 teachers
Student-Teacher Ratio
17:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- St. Mary's Catholic School has been building a strong mind, body and spirit in Christ in a faith-based community. We believe that parents are the primary educators of their children. We believe in the uniqueness and dignity of each child. We believe that St. Mary's School is a Christian community, which provides a Catholic foundation that nurtures the unique abilities of our students while leading them to a full maturity in Christ.
Source: Verified school update
Frequently Asked Questions
What schools are St. Marys Catholic School often compared to?
St. Marys Catholic School is often viewed alongside schools like Holy Cross Catholic by visitors of our site.
What is St. Marys Catholic School's ranking?
St. Marys Catholic School ranks among the top 20% of private schools in Michigan for: Oldest founding date.
When is the application deadline for St. Marys Catholic School?
The application deadline for St. Marys Catholic School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
Popular comparisons: St. Marys Catholic School vs. Holy Cross Catholic
People that viewed St. Marys Catholic School also viewed these schools: Holy Cross Catholic and St. Mary/mccormick Catholic Academy.
The nearest high school to St. Marys Catholic School is Cardinal Mooney Catholic (7.9 miles away)
The nearest elementary school and preschool is Holy Cross Catholic (7.9 miles away)
Show me:
Show me:
School
Location
Miles
Quick Facts
618 S Water Street
Marine City, MI 48039
(810) 765-3591
Marine City, MI 48039
(810) 765-3591
7.9 miles
Gr: PK-8 | 151 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 8 Tuition & acceptance rate listed
St. Mary/mccormick Catholic Academy
(Catholic)
1429 Ballentine Street
Port Huron, MI 48060
(810) 982-7906
Port Huron, MI 48060
(810) 982-7906
10.5 miles
Gr: K-8 | 145 students Avg. class size: 20 students Sports: 5 Tuition listed
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