Trinity Lutheran School

Trinity Lutheran School in Waukesha, WI, serves 177 students from preschool through 8th grade in a co–educational, city–based setting.
Founded in 1921, the school operates with a student–teacher ratio of 15:1 and an average class size of 15 students.
The school is affiliated with the Wisconsin Evangelical Lutheran Synod and follows a casual dress code policy.
Trinity Lutheran School's student body includes 4.83% students of color, reflecting some diversity within the Waukesha community.
As a Waukesha private elementary and middle school, it ranks in the top 20% statewide for the number of sports offered among comparable private schools.

Quick Facts (2026)

  • Grades: Prekindergarten-8
  • Enrollment: 177 students
  • Average class size: 15 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

School Overview

Grades Offered
Grades Prekindergarten-8
Year Founded
1921
School Calendar

Student Body

Total Students
177 students
Student Body Type
Co-ed
% Students of Color
5%
State avg.: 35%
Students by Grade
Trinity Lutheran School Student By Grade

Academics and Faculty

Total Classroom Teachers
12 teachers
Student-Teacher Ratio
15:1
National avg.: 13:1
Average Class Size
15 students
Classroom Dress Code
Casual

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Application URL

Sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
6 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Game ClubLutheran Boy Pioneers


Arts and Music Programs:
Band LessonsJr. Choir
Piano LessonsStrings Lessons

Source: Verified school update

Frequently Asked Questions

What sports does Trinity Lutheran School offer?
Trinity Lutheran School offers 7 interscholastic sports: Basketball, Cross Country, Dance, Soccer, Track and Field, Volleyball and Wrestling.
When is the application deadline for Trinity Lutheran School?
The application deadline for Trinity Lutheran School is rolling (applications are reviewed as they are received year-round).

School Reviews

5  
It is an amazing school you get a very good education while getting a christian education
- Posted by

Endorse Trinity Lutheran 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
Endorse this school:

Recent Articles

Financial Aid 101 for Private School Families 2026
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.

Quick Facts (2026)

  • Grades: Prekindergarten-8
  • Enrollment: 177 students
  • Average class size: 15 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Request Information

Did You Know?

The average private school tuition in Waukesha County, WI is $9,081 for elementary schools and $18,204 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Waukesha County, WI is 93% (read more about average acceptance rates across the country).

Quick Links