Trinity Lutheran High School is a private high school in Seymour, Indiana, operated by an association of 15 congregations of the Lutheran Church–Missouri Synod.
It was rated a four star school by the Indiana Department of Education in 2018.
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 147 students
- Yearly Tuition: $9,475
- Acceptance rate: 91%
- Average class size: 13 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1997
School Calendar
Student Body
Total Students
147 students
Student Body Type
Co-ed
% Students of Color
1%
State avg.: 26%
Students by Grade
Academics and Faculty
Total Classroom Teachers
15 teachers
Student-Teacher Ratio
10:1
National avg.: 13:1
% Faculty w/Advanced Degree
50%
Average Class Size
13 students
Number of AP Courses
1 course
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
% on Financial Aid
30%
Average Financial Aid Grant
$2,500
Acceptance Rate
91%
National avg.: 81%
Application URL
School Notes
- School Motto: “Commit thy way unto the Lord; trust also in him; and he shall bring it to pass.” Psalm 37:5
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
How much does Trinity Lutheran High School cost?
Trinity Lutheran High School's tuition is approximately $9,475 for private students.
What is the acceptance rate of Trinity Lutheran High School?
The acceptance rate of Trinity Lutheran High School is 91%, which is higher than the national average of 84%.
When is the application deadline for Trinity Lutheran High School?
The application deadline for Trinity Lutheran High School is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Trinity Lutheran High 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
Recent Articles
What Private School Alumni Say a Decade Later
Ten years after graduation, private school alumni reflect on advantages, regrets, career impact, and life lessons—unearthing truths families need to know.
Can Private School Help with College Admissions?
Explore how private schools influence college admissions—advantages, limitations, and what families should expect.
Inside the Daily Life of a Private School Student
Discover what daily life is like for private school students in 2025, from classes and athletics to dining, dorms, and extracurriculars.

