St. Mary School
Diocesan school · Grades K–8
Portage, WI
315 W Cook St, Portage, WI 53901
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- A-Years serving families
- BDiversity
What stands out
- Growing: enrollment up 61% since 2011–12
- Serving families in Portage since at least 2011
St. Mary School is a Catholic diocesan school in Portage, Wisconsin, for students from kindergarten through 8th grade. It has about 169 students and around 11 students per teacher. Enrollment has grown about 61% since 2011–12. The school is part of the Diocese of Madison. Students attend about 6.5 hours a day, 180 days a year. Wisconsin has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades K–8
- Students
- 169
- Teachers
- 16 (full-time equivalent)
- Students per teacher
- 10.6
- Boys and girls
- Coed · 74 girls, 95 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Madison
- School day
- About 6.5 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Larger than 68% of Catholic elementary schools in Wisconsin.
- Compared with 201 Catholic elementary schools in Wisconsin.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Help paying tuition in Wisconsin
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Mary School whether it takes part.
- Parental Choice Program · Voucher or scholarship
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 School
What grades does St. Mary School serve?
St. Mary School serves grades K–8.
How many students attend St. Mary School?
About 169 students, with 11 students per teacher, according to official records.
How much is tuition at St. Mary School?
Call the school to ask about tuition, financial aid and payment plans. Wisconsin has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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