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

Recent primary results indicate above-average academic performance, with a latest primary rating of 6.2.

The recent trend suggests improving academic performance over the past few years.

The school serves a broadly average student community, with an ICSEA score of 1060 placing it around the top 29% nationally by ICSEA.

Compared with similar state-sector ICSEA peers, results appear broadly in line with expectations.

With around 259 students, the school is a smaller school by metropolitan standards.