St Margaret Mary's College is an all-girls Catholic school in the suburb of Hyde Park, Townsville, Queensland Australia and caters for years 7–12.

In 1936, the first Sisters of the Good Samaritan arrived in Townsville to run the Saint Margaret Mary's Primary school.

Bishop McGuire had purchased ‘Woodlands’, in Hyde Park from the Cummins family so that it could be used as a convent, which the Sisters named Saint Philomena's.

The school consisted of four classrooms, one office, staffroom, tuckshop, cloakroom and a ‘modern’ science lecture room.

Saint Margaret Mary's College has seen a number of major projects that include: a multipurpose sports facility, extension to library and staffroom, a textiles room, a new chapel and tuckshop as well as renovations to the kitchen, library, administration block and laboratories.