St Margaret’s College is an extension of the School’s Christian Community and reflects the philosophy of the Sisters of the Society of the Sacred Advent. The Advisory leads the College’s mission to provide a nurturing, respectful and scholarly environment for Collegians.

The St Margaret’s College Advisory Council is a sub-committee of the School Council made up of the Principal, Head of Boarding, Director of Business, College Director and three members appointed by the School Council. The College Director reports directly to the Principal. The founding Chairperson of St Margaret’s College Advisory Council is Ms Janine Walker. For further information about the strategic direction of the College can be found in the St Margaret's College Strategic Plan 2016 to 2018 .