St. Catherine`s educates students in the Catholic faith, fostering an environment of academic and behavioral excellence to create lifelong learners and globally responsible citizens.
St. Catherine's is built on the Dominican values of:
Study: Delivering excellence in Catholic education that maximizes the potential of every student, producing graduates who embrace a lifelong love of learning.
Prayer: Elevating our Catholic faith in a loving God who lies at the center of all things, and who guides all of His people in their personal faith journeys.
Service: Creating a civically engaged environment that forms conscious world citizens who appreciate the dignity of every individual, driven by both word and deed.
Community: Emphasizing the importance of positive relationships at our school, in the surrounding area, and within the greater world, leading to personal growth and enabling a commitment to the common good.
Quick Facts (2026)
- Top-Ranked WI School
- Grades: 9-12
- Enrollment: 452 students
- Yearly Tuition: $12,115
- Average class size: 17 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Catherines High School ranks among the top 20% of private schools in Wisconsin for:
Category
Attribute
Student Body
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1865
Colors
White, Black, Gold
Summer School Offered
Yes
School Calendar
Student Body
Total Students
452 students
Student Body Type
Co-ed
% Students of Color
81%
State avg.: 35%
Students by Grade
Academics and Faculty
Total Classroom Teachers
29 teachers
Student-Teacher Ratio
16:1
National avg.:
Average Class Size
17 students
Number of AP/Advanced Courses
11 courses
List of Courses Offered
Classroom Dress Code
Formal
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$12,115
Tuition Notes
Students entering St. Catherine\'s from a Siena Catholic School will receive a $2,500 yearly scholarship, bringing tuition to $9,615. After financial aid and scholarships, average tuition is $4,000.
% on Financial Aid
99%
Application URL
School Notes
- School Motto: Where tradition never graduates
- School Mascot: Angels
- St. Catherine`s educates students in the Catholic faith, fostering an environment of academic and behavioral excellence to create lifelong learners and globally responsible citizens.
- St. Catherine's is built on the Dominican values of:
- Study: Delivering excellence in Catholic education that maximizes the potential of every student, producing graduates who embrace a lifelong love of learning.
- Prayer: Elevating our Catholic faith in a loving God who lies at the center of all things, and who guides all of His people in their personal faith journeys.
- Service: Creating a civically engaged environment that forms conscious world citizens who appreciate the dignity of every individual, driven by both word and deed.
- Community: Emphasizing the importance of positive relationships at our school, in the surrounding area, and within the greater world, leading to personal growth and enabling a commitment to the common good.
Source: Verified school update
Frequently Asked Questions
How much does St. Catherines High School cost?
St. Catherines High School's tuition is approximately $12,115 for private students.
What schools are St. Catherines High School often compared to?
St. Catherines High School is often viewed alongside schools like Racine Lutheran High School by visitors of our site.
What is St. Catherines High School's ranking?
St. Catherines High School ranks among the top 20% of private schools in Wisconsin for: Highest percentage of students of color, Largest student body and Oldest founding date.
When is the application deadline for St. Catherines High School?
The application deadline for St. Catherines High School is rolling (applications are reviewed as they are received year-round).
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