St. Mary Catholic School
Diocesan school · Grades K–8
Mount Clemens, MI
2 Union St, Mount Clemens, MI 48043
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- B+Diversity
What stands out
- Serving families in Mount Clemens since at least 2011
St. Mary Catholic School is a Catholic diocesan school in Mount Clemens, Michigan, for students from kindergarten through 8th grade. It has about 445 students and around 16 students per teacher. Enrollment has grown about 11% since 2011–12. The school is part of the Archdiocese of Detroit. Students attend about 6 hours a day, 178 days a year.
At a glance
- Grades
- Grades K–8
- Students
- 445
- Teachers
- 28 (full-time equivalent)
- Students per teacher
- 15.9
- Boys and girls
- Coed · 235 girls, 210 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Detroit
- School day
- About 6 hours
- School year
- 178 days
- Library
- Yes
Reviews
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How it compares
- Larger than 93% of Catholic elementary schools in Michigan.
- Compared with 135 Catholic elementary schools in Michigan.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- A state or regional independent school 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 Catholic School
What grades does St. Mary Catholic School serve?
St. Mary Catholic School serves grades K–8.
How many students attend St. Mary Catholic School?
About 445 students, with 16 students per teacher, according to official records.
How much is tuition at St. Mary Catholic School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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