Trinity was opened in 2000 to meet the rapidly growing demand for Catholic Primary School places for children in the southern area of Our Lady Help of Christians Parish. It is governed by the Diocese of Sale Catholic Education Limited (DOSCEL).
Trinity services families in the Narre Warren South area and is proudly represented by over 40 different nationalities.
Our House Teams, Colours and Buildings are named in memory of people who have significantly contributed to the life of and history of Trinity.
Named in memory of Fr. John Allen the Parish Priest of Our Lady Help of Christians Parish.
Trinity is the third school in our Parish along with Don Bosco and Mary McKillop.
Named after Mrs Mary Howlett our foundation Principal of Trinity.
Named in memory of Fr. John Readman the foundation Parish Priest of Our Lady Help of Christians Parish.
Named in memory of Leo and Margaret Joyce. Leo and Margaret were the original caretakers of Trinity. They planted many trees and garden beds, cleaned classrooms and worked long tireless hours to ensure Trinity was a welcoming, friendly and safe community for children to learn. Their spirit lives on in the staff and students who continue to be dedicated to Trinity to being the best school it can be.