shamrock 100

Support Trinity Principal, John Cominsky, as he walks 100 miles in three days! Click to donate and walk with him!

cinderella

Congratulations to the cast, crew, pit, directors, and volunteers of this spring's production of Cinderella!

class of 2027

We're now accepting registrations for the Trinity Class of 2027! Click for the registration link.

Faith in our future

Trinity's Faith in our Future Campaign aims to raise the funds to increase technology access, replace the facade of our school, improve athletic facilities, and renovate the auditorium. Click for more information.

About

“TO DEVELOP HABITS OF

MIND, BODY, AND SPIRIT,

ROOTED IN THE

CATHOLIC TRADITION,

SO AS TO ATTAIN THE

HIGHEST GOOD”

Trinity High School is a Catholic co-educational high school located on the West Shore of Harrisburg. We currently enroll 520 young men and women in a challenging academic program.