Trinity Lutheran School (2026-27 Profile)

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About the School

Trinity Lutheran School in Waukesha, WI, serves 177 students from preschool through 8th grade in a coâ€“educational, cityâ€“based setting.
Founded in 1921, the school operates with a studentâ€“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 (2026-27)

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

School Facts

Religious Affiliation

Wisconsin Evangelical Lutheran Synod

Grades Offered

Grades Prekindergarten-8

Students By Grade

View Data

Distribution of Students By Grade
Grade	Trinity Lutheran School
Pre-K	25
Kind	14
1	21
2	13
3	15
4	17
5	26
6	16
7	17
8	13

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Year Founded

1921

School Calendar

Student Body

Total Students

177 students

Student Body Type

Co-ed

% Students of Color

State avg.: 35%

Academic Profile

Total Classroom Teachers

12 teachers

Student-Teacher Ratio

15:1

National avg.:

Average Class Size

15 students

Classroom Dress Code

Casual

Tuition & Financial Aid

Admission Deadline

None / Rolling

Application URL

Sports

Total Sports Offered

7 sports

Sports

BasketballCross Country

DanceSoccer

Track and FieldVolleyball

Wrestling

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

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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 1/31/2013

It is an amazing school you get a very good education while getting a christian education

- Posted by Student/Alumni - Samic

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

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Did You Know?

The average private school tuition in Waukesha County, WI is $7,983 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).