Math-Counts Competition: Local, regional and state levels (for individuals and teams)
Mohican Outdoor School: Each year the 6th grade class attends Mohican to experience and intensive outdoor education program.
Science Fair: Holy Trinity sponsors its own science fair annually as well as sending its superior-rated students to the Heidelberg District Science Fair.
Spelling Bee: City-wide contest for Grades 4-8 is sponsored by the Bucyrus Telegraph Forum.
Geography Bee: Each year grades 4-8 will compete in the National Geography Bee contest.
Word Challenge: Each year grades 4-8 will compete in the Reader’s Digest Word Power Challenge.
Religion: Mass every Friday, Stations of the Cross during Lent, May Crowning
Sacramental Preparation: Penance and Eucharist-Grade 2-yearly
Confirmation - Grades 7-8 - every other year
Red Ribbon Week
Band- Grades 5-8
Student Council - Grades 5-8
Boys: Football/Basketball - Grades 4-8
Girls: Volleyball/Basketball - Grades 4-8
Track: Grades 5-8