Trinity Catholic High School (Closed 2004)

19360 Harper Ave
Harper Woods, MI 48225
Trinity Catholic High School in Harper Woods, MI, serves 172 students in grades 9 through 12 in a Catholic, co–ed urban setting.
The school has a student–teacher ratio of 13:1 with 13 total teachers supporting its secondary program.
Established as a Catholic high school, Trinity Catholic is a member of the National Catholic Educational Association.
Student body diversity includes approximately 84% students of color, reflecting varied representation within the enrollment.
Located near other private schools in the Harper Woods area, Trinity Catholic offers secondary education options consistent with local Catholic school offerings.

School Overview

Religious Affiliation
Grades Offered
Grades 9-12

Student Body

Total Students
172 students
Student Body Type
Co-ed
% Students of Color
84%
State avg.: 19%
Students by Grade

Academics and Faculty

Total Classroom Teachers
13 teachers
Student-Teacher Ratio
13:1
National avg.: 11:1

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)

Frequently Asked Questions

When is the application deadline for Trinity Catholic High School?
The application deadline for Trinity Catholic High School is rolling (applications are reviewed as they are received year-round).

Recent Articles

Executive Function Skills: The Key to Academic Success
Executive Function Skills: The Key to Academic Success
Learn why executive function skills are among the strongest predictors of academic success and how parents and schools can strengthen them.
Private School Marketing Strategies for Enrollment Growth
Private School Marketing Strategies for Enrollment Growth
Discover proven private school marketing strategies for 2026, including digital outreach, branding, enrollment management, and parent engagement.
Private School Transportation Options: A 2026 Parent Guide
Private School Transportation Options: A 2026 Parent Guide
Explore private school transportation options in 2026, including buses, carpools, transit, and safety considerations for families.