St. Mary School in Portage, WI offers co鈥揺d Catholic education for grades PK through 8 in a town setting.
Eablished in 1866, the school has a total enrollment of 170 students with an average class size of 16.
The udent鈥搕eacher ratio of 12:1, supported by 14 faculty members.
Approximately 3.4% of the udent body represents students of color.
Mary School holds membership in the National Catholic Educational Association and regional independent school associations.
Quick Facts (2026)
- Top-Ranked WI School
- Grades: Prekindergarten-8
- Enrollment: 170 students
- Average class size: 16 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Mary School ranks among the top 20% of private schools in Wisconsin for:
Category
Attribute
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1866
Student Body
Total Students
170 students
Student Body Type
Co-ed
% Students of Color
3%
State avg.: 35%
Students by Grade
Academics and Faculty
Total Classroom Teachers
14 teachers
Student-Teacher Ratio
12:1
National avg.:
Average Class Size
16 students
Classroom Dress Code
Casual
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Application URL
Source: Verified school update
Frequently Asked Questions
What schools are St. Mary School often compared to?
St. Mary School is often viewed alongside schools like St. Johns Lutheran School by visitors of our site.
What is St. Mary School's ranking?
St. Mary School ranks among the top 20% of private schools in Wisconsin for: Oldest founding date.
When is the application deadline for St. Mary School?
The application deadline for St. Mary School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
Popular comparisons: St. Mary School vs. St. Johns Lutheran School
People that viewed St. Mary School also viewed these schools: St. Jerome School, St. Clare Catholic School, Our Lady Of Lourdes School, Notre Dame School Of De Pere and St. Joseph School.
The nearest high school to St. Mary School is Guardian Christian Academy (10.7 miles away)
The nearest elementary school is St. Johns Lutheran School (0.5 miles away)
The nearest preschool is St. John's Lutheran School (8.5 miles away)
Show me:
Show me:
School
Location
Miles
Quick Facts
St. Jerome School
(Catholic)
1550 Farnham St
Columbus, WI 53925
(920) 623-5780
Columbus, WI 53925
(920) 623-5780
26.8 miles
Gr: K-8 | 110 students Tuition listed
St. Clare Catholic School
(Catholic)
425 Main St
Wrightstown, WI 54180
(920) 272-8284
Wrightstown, WI 54180
(920) 272-8284
83.7 miles
Gr: PK-8 | 124 students
Our Lady Of Lourdes School
(Catholic)
1305 Lourdes Ave
De Pere, WI 54115
(920) 336-3091
De Pere, WI 54115
(920) 336-3091
92.5 miles
Gr: PK-8 | 219 students Tuition & acceptance rate listed
Notre Dame School Of De Pere
(Catholic)
137 South Superior Street
De Pere, WI 54115
(920) 337-1115
De Pere, WI 54115
(920) 337-1115
94.1 miles
Gr: PK-8 | 427 students Sports: 7 | Extracurrculars: 6 Tuition listed
St. Joseph School![St. Joseph School Photo - Welcome to St. Joseph School]( "St. Joseph School Photo - Welcome to St. Joseph School")
(Catholic)
991 Pilgrim Way
Green Bay, WI 54304
(920) 499-9969
Green Bay, WI 54304
(920) 499-9969
95 miles
Gr: PK-8 | 93 students Avg. class size: 12 students Sports: 6 | Extracurrculars: 1 Tuition & acceptance rate listed
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