St. Mary School serves 170 students in grades Prekindergarten-8, is a member of the National Catholic Educational Association (NCEA) and the State or regional independent school association.
The student:teacher of St. Mary School is 12:1 and the school's religious affiliation is Catholic.
Quick Facts (2025-26)
- 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.: 13:1
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
School Reviews
Endorse St. Mary 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
What Private School Alumni Say a Decade Later
Ten years after graduation, private school alumni reflect on advantages, regrets, career impact, and life lessons—unearthing truths families need to know.
Can Private School Help with College Admissions?
Explore how private schools influence college admissions—advantages, limitations, and what families should expect.
Inside the Daily Life of a Private School Student
Discover what daily life is like for private school students in 2025, from classes and athletics to dining, dorms, and extracurriculars.
