Trinity High School Graduates

"In the proud tradition of
Mercy (1948),
St. Thomas Aquinas (1954),
Rosary (1961),
St. Thomas Aquinas–Mercy (1985)"



Welcome to

Trinity Catholic High School

Trinity Catholic High School is a fully accredited, co-educational, college preparatory high school located in St Louis, Missouri.

                              SCHOOL  Calendar

Thursday, August 28, 2014

Senior Parent Meeting - 7 pm in the cafeteria

Friday, August 29, 2014

Home Opener Football Game vs. Duchesne - 7 pm


                                School news

Congratulations to Lia Weber, a 2008 Trinity Catholic graduate, and her partner, Al Watson, for being named The Next Great Bakers. The baking and decorationg duo finished first among 10 teams in the The Next Great Baker competion that aired this summer on The Learning Channel. Lia and Al won $100,000 and the opportunity to run "Cake Boss" Buddy Valastro's new bakery in Las Vegas. Everyone at Trinity Catholic is proud of you Lia !!!!

Congratulations as well to 2013 Trinity Catholic graduate MarQuel Collins. Collins is beginning her sophomore year at Kansas State University and is being inducted into the school's National Honor Society September 14. Collins is in the Pre-Veterinary program and credits the education she received at Trinity Catholic as a big reason for her success in college.

Summer Reading Assignments - Learn more


Parent Organization and Booster Club - COME JOIN THE FUN !!


cafeteria monthly menu (HERE)