St Mary's is a co-ed Catholic primary in Altona that combines progressive, inquiry-led learning with strong pastoral care.
NAPLAN in line with national year-level averages; the result is a C overall.
St Mary's is a co-ed Catholic primary in Altona that combines progressive, inquiry-led learning with strong pastoral care. The school stands out for Auslan instruction alongside STEM programs, and for its depth in performing arts, PE and sport. A dedicated learning diversity unit supports students who need it, while social-emotional learning threads through daily life. Chess programs and integrated inquiry projects define the classroom experience. Families choosing St Mary's typically value a school that's equally serious about academic curiosity and children's wellbeing.
St Mary's School has an overall SchoolRank score of 48.6/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 55/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1060, well above the national average of 1,000.
In 2025 NAPLAN testing at St Mary's School, Year 3 students averaged 420 across the tested NAPLAN domains, above the national average of 407 for that year level, and Year 5 students averaged 488, in line with the national average of 490 for that year level. Relative to national year-level averages, the school's strongest domain is Reading. National averages are specific to each year level, because NAPLAN scores are scaled so older year levels score higher, a school-wide average can't be compared with a single national figure.
St Mary's School is a small catholic primary school with approximately 259 students. It offers education for years Prep-6. As a catholic school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
St Mary's School has a student-to-teacher ratio of 13.1:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 36% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 89%, which is moderate.
St Mary's School is located in Altona, VIC, classified as a major cities school. With an ICSEA of 1060 (72th percentile), the school community's socio-educational advantage is around the national average. ICSEA measures the educational advantage of a school's community, not the school's quality, a lower ICSEA school with strong academic scores may indicate particularly effective teaching.