St Mary's School is a small to medium-sized catholic primary school located in Whittlesea, Melbourne, catering for students from Prep-6.

Recent primary results suggest more modest academic performance, with a latest primary rating of 4.8.

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 1032 placing it around the top 40% nationally by ICSEA.

Compared with similar state-sector ICSEA peers, recent results appear somewhat below expected levels.

With around 262 students, the school is a smaller school by metropolitan standards.