St. Sebastian School

We are a welcoming and reconciling openness to all people, celebrating the diversity of our urban neighborhood; We are witnessing to a contemporary understanding and practice of the Churchs teaching, in the light of the Second Vatican Council; We are living out our call to discipleship by offering sacramental life, service, teaching, and healing to all Gods people, which will, at times, involve a cost to ourselves; We are nurturing in our lives a deeper spiritual relationship with the Lord.

Quick Stats (2025)

  • Top Ranked WI School
  • Grades: Prekindergarten-8
  • Enrollment: 336 students
  • Average class size: 19 students
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

Top Rankings

St. Sebastian School ranks among the top 20% of private schools in Wisconsin for:

Category
Attribute

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1909
Summer School Offered
Yes

Student Body

Total Students
336 students
Student Body Type
Co-ed
% Students of Color
46%
State avg.: 35%
Students by Grade
St. Sebastian School Student By Grade

Academics and Faculty

Total Classroom Teachers
23 teachers
Student : Teacher Ratio
15:1
National avg.: 13:1
Average Class Size
19 students

Tuition and Acceptance Rate

Admission Deadline
None / Rolling

Sports

Total Sports Offered
2 sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
14 extracurriculars
ExtracurricularsExtra-curric.
All-School Mass Student Choir, Band and Guitar Lessons, Character Education Program (NCEA Award Winner), Chess Club, Girl Scouts/Boy Scouts, Lunch Bunch Lunchtime Electives Program, Math Contests and Academic Competition Teams, Middle School Choir, Middle School Forensics Team (2008 State Champions), Readers are Leaders, Spanish and Intramural Sports electives for middle school, SS Reader Student Literary Publication, Student Government, Theater Program/School Plays
Source: National Center for Education Statistics (NCES)

Frequently Asked Questions

What sports does St. Sebastian School offer?
St. Sebastian School offers 2 interscholastic sports: Basketball and Volleyball.
What is St. Sebastian School's ranking?
St. Sebastian School ranks among the top 20% of private schools in Wisconsin for: Largest student body and Most extracurriculars offered.
When is the application deadline for St. Sebastian School?
The application deadline for St. Sebastian School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Sebastian School located?
St. Sebastian School is located in the Washington Heights neighborhood of Milwaukee, WI. There are 4 other private schools located in Washington Heights.

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Quick Stats (2025)

  • Top Ranked WI School
  • Grades: Prekindergarten-8
  • Enrollment: 336 students
  • Average class size: 19 students
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Milwaukee, WI is $8,990 for elementary schools and $15,288 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Milwaukee, WI is 86% (read more about average acceptance rates across the country).

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