The boys Track and Field teams won two straight PIAA State Championships in 2010 and 2011.

Athletes from Trinity High School also won PIAA state gold in boys cross country (2010) and girls diving (2011).

In 2011, Trinity was the subject of a police investigation after an open lewdness incident was reported at the football team's training camp.

A number of Trinity students who were identified as the perpetrators of the event were subsequently prosecuted.

[4] The Trinity football program came under media and police scrutiny for off-season misconduct in 2016 when two team members were captured on video assaulting a man while attending a Donald Trump rally at neighboring Cumberland Valley High School.