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 (2026)
- 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
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.: 11:1
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
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
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
School
Location
Miles
Quick Facts
Cardinal Mooney Catholic
(Catholic)
660 S Water St
Marine City, MI 48039
(810) 765-8825
Marine City, MI 48039
(810) 765-8825
7.9 miles
Gr: 9-12 | 163 students Sports: 10 Tuition listed
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
Blue Water Christian Academy
(Christian)
1620 Wadhams Rd
Smiths Creek, MI 48074
(810) 367-4257
Smiths Creek, MI 48074
(810) 367-4257
9 miles
Gr: PK-12 | 68 students
5517 Griswold Road
Smiths Creek, MI 48074
(810) 367-3770
Smiths Creek, MI 48074
(810) 367-3770
9.8 miles
Gr: PK-12 | 182 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 5 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
School
Location
Miles
Quick Facts
Cardinal Mooney Catholic
(Catholic)
660 S Water St
Marine City, MI 48039
(810) 765-8825
Marine City, MI 48039
(810) 765-8825
7.9 miles
Gr: 9-12 | 163 students Sports: 10 Tuition listed
Blue Water Christian Academy
(Christian)
1620 Wadhams Rd
Smiths Creek, MI 48074
(810) 367-4257
Smiths Creek, MI 48074
(810) 367-4257
9 miles
Gr: PK-12 | 68 students
5517 Griswold Road
Smiths Creek, MI 48074
(810) 367-3770
Smiths Creek, MI 48074
(810) 367-3770
9.8 miles
Gr: PK-12 | 182 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 5 Tuition & acceptance rate listed
Calvary Baptist Church School
(Baptist)
74940 Fulton St
Armada, MI 48005
(478) 986-5780
Armada, MI 48005
(478) 986-5780
19.9 miles
Gr: 3-12 | 16 students
Austin Catholic High School
(Catholic)
24125 26 Mile Rd
Ray, MI 48096
(586) 200-0143
Ray, MI 48096
(586) 200-0143
20.5 miles
Gr: 9-12 | 102 students Tuition & acceptance rate listed
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
Blue Water Christian Academy
(Christian)
1620 Wadhams Rd
Smiths Creek, MI 48074
(810) 367-4257
Smiths Creek, MI 48074
(810) 367-4257
9 miles
Gr: PK-12 | 68 students
5517 Griswold Road
Smiths Creek, MI 48074
(810) 367-3770
Smiths Creek, MI 48074
(810) 367-3770
9.8 miles
Gr: PK-12 | 182 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 5 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
St. Peter S Lutheran School
(Lutheran Church Missouri Synod)
37601 31 Mile Rd
Richmond, MI 48062
(586) 727-9080
Richmond, MI 48062
(586) 727-9080
12.6 miles
Gr: K-8 | 98 students
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
Blue Water Christian Academy
(Christian)
1620 Wadhams Rd
Smiths Creek, MI 48074
(810) 367-4257
Smiths Creek, MI 48074
(810) 367-4257
9 miles
Gr: PK-12 | 68 students
5517 Griswold Road
Smiths Creek, MI 48074
(810) 367-3770
Smiths Creek, MI 48074
(810) 367-3770
9.8 miles
Gr: PK-12 | 182 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 5 Tuition & acceptance rate listed
Country Meadows Montessori
Montessori School
8622 Dixie Hwy
Fair Haven, MI 48023
(586) 725-2042
Fair Haven, MI 48023
(586) 725-2042
13 miles
Gr: PK-K | 30 students Tuition listed
St. Augustine Catholic School ![St. Augustine Catholic School Photo]( "St. Augustine Catholic School Photo")
(Catholic)
67901 Howard St
Richmond, MI 48062
(586) 727-9365
Richmond, MI 48062
(586) 727-9365
13.2 miles
Gr: PK-8 | 183 students Avg. class size: 13 students Sports: 5 | Extracurrculars: 4 Tuition listed
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
North Lake High School
Alternative School
(Math: ≤10% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
23340 Elmira St
Saint Clair Shores, MI 48082
(586) 285-8780
Saint Clair Shores, MI 48082
(586) 285-8780
9439.2 miles
Gr: 9-12 | 124 students Student-Teacher Ratio: 25:1 Minority enrollment: 42%
Mount Clemens Middle School
(Math: 6-9% | Reading: 10-14%)
Rank:
Rank:
1/
Bottom 50%10
161 Cass Ave
Mount Clemens, MI 48043
(586) 461-3400
Mount Clemens, MI 48043
(586) 461-3400
9439.3 miles
Gr: 6-8 | 151 students Student-Teacher Ratio: 25:1 Minority enrollment: 88%
Tenniswood Elementary School
Magnet School
(Math: 20-24% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
23450 Glenwood St
Clinton Township, MI 48035
(586) 493-5640
Clinton Township, MI 48035
(586) 493-5640
9439.3 miles
Gr: K-5 | 356 students Student-Teacher Ratio: 17:1 Minority enrollment: 67%
Mount Clemens High School
(Math: ≤10% | Reading: 11-19%)
Rank:
Rank:
2/
Bottom 50%10
155 Cass Ave
Mount Clemens, MI 48043
(586) 461-3400
Mount Clemens, MI 48043
(586) 461-3400
9439.4 miles
Gr: 9-12 | 239 students Student-Teacher Ratio: 17:1 Minority enrollment: 86%
Donald J Yacks Elementary School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
34700 Union Lake Rd
Harrison Township, MI 48045
(586) 493-5630
Harrison Township, MI 48045
(586) 493-5630
9439.6 miles
Gr: PK-5 | 300 students Student-Teacher Ratio: 16:1 Minority enrollment: 39%
School Reviews
Endorse St. Marys Catholic School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
How to Ask About Staff Screening Without Apologizing
Parents should feel comfortable asking how private schools screen employees. Learn which questions matter, what answers to expect, and why transparency about hiring and student safety is a hallmark of a well-managed school.
What Facility Safety Tells You About School Oversight
A school's facilities reveal far more than appearance. Learn how building maintenance, emergency preparedness, and campus safety practices can help parents evaluate school leadership, oversight, and long-term commitment to student well-being.
Is the School Legally a School? A Parent Verification Checklist
Before enrolling your child in a private school, learn how to verify that it is legally operating, properly accredited, and authorized to issue recognized diplomas with this practical parent checklist for making a confident school choice.
