St. Mary Elementary School
Diocesan school · Grades Pre-K–8
Williamston, MI
220 N Cedar St, Williamston, MI 48895
Overall grade: A
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- A-Years serving families
- BDiversity
What stands out
- Smaller classes than 71% of Catholic schools in Michigan
- Growing: enrollment up 86% since 2011–12
- Serving families in Williamston since at least 2011
St. Mary Elementary School is a Catholic diocesan school in Williamston, Michigan, for students from pre-K through 8th grade. It has about 121 students and around 10 students per teacher, smaller classes than 71% of Catholic elementary schools in Michigan. Enrollment has grown about 86% since 2011–12. The school is part of the Diocese of Lansing. Students attend about 7 hours a day, 180 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 121
- Teachers
- 11.6 (full-time equivalent)
- Students per teacher
- 10.4
- Boys and girls
- Coed · 52 girls, 69 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Lansing
- School day
- About 7 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 71% of Catholic elementary schools in Michigan (10 students per teacher).
- A smaller school: fewer students than 54% 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
- 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 Elementary School
What grades does St. Mary Elementary School serve?
St. Mary Elementary School serves grades Pre-K–8.
How many students attend St. Mary Elementary School?
About 121 students, with 10 students per teacher, according to official records.
How much is tuition at St. Mary Elementary 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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