Waukesha Catholic is a three campus school supported by the four Catholic churches of Waukesha.
Waukesha Catholic offers classes for 4 year old kindergarten, 5 year old kindergarten, and grades 1-8.
Quick Stats (2025)
- Top Ranked WI School
- Grades: Prekindergarten-5
- Enrollment: 272 students
- Average class size: 26 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
Waukesha Catholic - St. Mary Campus ranks among the top 20% of private schools in Wisconsin for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-5
Student Body
Total Students
272 students
Student Body Type
Co-ed
% Students of Color
5%
State avg.: 35%
Students by Grade

Academics and Faculty
Total Classroom Teachers
13 teachers
Student : Teacher Ratio
21:1
National avg.: 13:1
Average Class Size
26 students
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
2 extracurriculars
ExtracurricularsExtra-curric.
Boy Scouts, Girl Scouts
School Notes
- St. Mary's is one of the elementary campuses of Waukesha Catholic. Waukesha Catholic develops well educated, caring and confident individuals who lead Christ-centered lives and are inspired to build a better world. We foster the spiritual, emotional, intellectual, social and physical development of our children, while recognizing each one's uniqueness. Our curriculum includes: Religion, Language Arts, Math, Science, Social Studies, Spanish, Art, Music, Physical Education, and Technology. Band is also available for grade 5. Before and After School Care is available before school and after school each day school is in session. Wrap around care is available in the afternoon for K4 students. Waukesha Catholic was recently awarded Exemplary Status in the area of Innovative programs by the Archdiocese of Milwaukee for their Cafe Create fine arts program.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What schools are Waukesha Catholic - St. Mary Campus often compared to?
Waukesha Catholic - St. Mary Campus is often viewed alongside schools like Waukesha Catholic School by visitors of our site.
What is Waukesha Catholic - St. Mary Campus's ranking?
Waukesha Catholic - St. Mary Campus ranks among the top 20% of private schools in Wisconsin for: Largest student body.
When is the application deadline for Waukesha Catholic - St. Mary Campus?
The application deadline for Waukesha Catholic - St. Mary Campus is rolling (applications are reviewed as they are received year-round).
School Reviews
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