St Mary's College is a medium-sized catholic combined school located in Adelaide, Adelaide, catering for students from R-12.

The school records mixed but generally solid academic outcomes, with a primary rating of 5.1 and a secondary rating of 5.9.

Recent results have softened compared with earlier years, although year-to-year cohort variation should be considered.

The school serves a broadly average student community, with an ICSEA score of 1073 placing it around the top 25% nationally by ICSEA.

Compared with similar state-sector ICSEA peers, the school’s results provide useful context beyond the headline rating alone.

With around 659 students, the school is a medium-to-large school by enrolment, and enrolments have declined noticeably in recent years.