Trinity Catholic College Lismore is owned by the entity known as “The Trustees of the Roman Catholic Church for the Diocese of Lismore.” The Presentation Sisters founded St Mary’s College for Girls in 1886 and the Marist Brothers opened St Joseph’s High School for Boys in 1911. After some years of senior co-instruction, the two schools formally amalgamated to form Trinity Catholic College Lismore in 1985. The College relocated to its current location at Southern Cross University Lismore after the devastating Northern Rivers flood event of 2022. Following the 2022 flood events the College community has worked together to ensure that current and future students have access to high quality Catholic education at Trinity's new location.
Presentation Sisters founded St Mary's College.
Marist Brothers opened St Joseph's High School.
St Joseph's added junior secondary classes.
First Intermediate Class exams held at St Joseph's.
St Joseph's becomes a full high school.
St Joseph's and St Mary’s start co-instruction.
Trinity Catholic College is formed.
Annual Foundation Day celebrated.
Mission Statement ratified by the College Council.
Champagnat Day honours Marist Brothers.
Jesse Smith becomes first lay Principal.
Feast of the Presentation of Mary celebrated.