St. Mary School is rooted in Catholic values and committed to academic excellence. We are dedicated to forming a child of God who knows, loves and lives the faith.
Together with the family, the faculty and staff of St. Mary School are called to prepare the child to learn, to accept, and to internalize his/her responsibility to the family, Church, community and the world today and in the future.
The student is taught by example to love and respect his/her own dignity as a child of God..
Quick Stats (2025)
- Grades: Nursery/Preschool-3
- Enrollment: 47 students
- Yearly Tuition: $2,050
- Acceptance rate: 95%
- Average class size: 9 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Mary Catholic School ranks among the top 20% of private schools in Wisconsin for:
Category
Attribute
Affordability
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Nursery/Preschool-3
Student Body
Total Students
47 students
Student Body Type
Co-ed
% Students of Color
7%
State avg.: 35%
Students by Grade

Academics and Faculty
Total Classroom Teachers
5 teachers
Student : Teacher Ratio
9:1
National avg.: 13:1
% Faculty w/Advanced Degree
2%
Average Class Size
9 students
Classroom Dress Code
Casual
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Financial Aid available
Acceptance Rate
95%
National avg.: 85%
School Notes
- St. Mary Catholic School is situated in the beautiful community of Mayville, WI. Mayville is located on the Horicon Marsh, the largest freshwater cattail marsh in the United States. Mayville is 45 minutes from Milwaukee and Madison. The school has been providing a Catholic education to area children since 1904. The dedicated faculty and staff always "Put Kids First!" The school offers 3K, Community 4K, 5K, 1st and 2nd grades as well as housing a year-round childcare facility (6 weeks-12 years of age).
Source: Verified school update
Frequently Asked Questions
How much does St. Mary Catholic School cost?
St. Mary Catholic School's tuition is approximately $2,050 for private students.
What is the acceptance rate of St. Mary Catholic School?
The acceptance rate of St. Mary Catholic School is 95%, which is higher than the national average of 93%.
When is the application deadline for St. Mary Catholic School?
The application deadline for St. Mary Catholic School is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse St. Mary Catholic 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

A Parent's Guide To Understanding High School Teaching Methods
This comprehensive guide helps parents navigate the various teaching methods used in today's high school classrooms. By understanding these approaches, you'll be better equipped to support your teen's learning journey, communicate effectively with teachers, and create a complementary learning environment at home.

February 08, 2025
Social Emotional Learning: Education's Hidden SymphonyA musician's perspective on Social Emotional Learning reveals how this educational framework orchestrates success through five essential emotional competencies.

January 24, 2025
A Roadmap For Starting A Private SchoolUse this roadmap as a set of talking points with your trusted mentors and professionals to start the private school of your dreams. You're not alone. Over the years, hundreds of folks like you have had the same dream. From Quintilian to Maria Montessori to Lucy Madeira Wing, visionary educators have established schools to teach according to their beliefs and methodologies.