Trinity College School is committed to developing leaders of character, purpose and vision. Within the student body, an undefined yet not unhealthy hierarchy exists, whereby older students are expected to assume some responsibility for the younger students. Although senior students have specific responsibilities (and their own work to do!), these student leaders act as counsellors, friends and advocates for the students they supervise.

The School's many sports teams, clubs and societies offer students additional opportunities to assume leadership positions. Every senior student has the chance to exercise leadership in a formal sense by applying to be a steward. A TCS steward serves the community by assuming responsibility for a particular area or programme, such as the school store, our computer labs, library, music rooms, art rooms or athletic facilities.

Every year, six to 10 senior students are appointed as prefects, including a head boy and head girl. Among their many roles, these students run morale-boosting events and support the younger students. The prefects meet regularly with the headmaster. They are important role models and contribute to setting the tone for the year.