[3] Upper school students are required to complete 22 credits in order to graduate, in English, mathematics, foreign languages, social studies, science, fine arts, computer science, life management, and physical education.

Autumn-term teams include bowling, cross country, football, golf, swimming and diving, and volleyball.

Spring teams include baseball, softball, lacrosse, tennis, track and field, and weightlifting.

[citation needed] The Saints' traditional rival, Lake Highland Prep, has recently been replaced by other area schools that have remained in Trinity's size classification.

[citation needed] The Boys Cross Country team has won eight state championships (1996, 2007, 2009, 2010, 2013, 2014, 2015, and 2016).