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 Facts (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.: 81%
Application URL
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 88%.
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

7 Ways Kids Can Avoid Summer Brain Drain
The summer "Brain Drain," also known as the "Summer Slide" is a term commonly used by educators and parents alike to describe the learning loss that takes place for many students during summer months. We polled the experts and found the 7 best ways parents and kids can combat the problem head on.

What's Being Taught?
This article examines the academic offerings in American private high schools, discussing graduation requirements, college preparation, accreditation, and advanced programs like AP and IB. It emphasizes the importance of understanding a school's curriculum when choosing the right educational environment for a child.

Waldorf Schools
Waldorf schools offer a well thought out approach to K-12 education.