Mount St Joseph Girls' College is a Catholic secondary school for girls in Altona with a strong pastoral culture and traditional, structured approach.
NAPLAN averaging 26 points above national year-level averages and a median ATAR of 73.0; the result is a B+ overall.
Mount St Joseph Girls' College is a Catholic secondary school for girls in Altona with a strong pastoral culture and traditional, structured approach. The school is known for its instrumental music arts program and active Duke of Edinburgh Awards participation, offering girls pathways in music and outdoor leadership development alongside their academic studies.
Mount St Joseph Girls' College is also known as MSJGC and MSJGC Altona.
Median ATAR 73.0 ranks #107 of 522 Victoria schools. Within Victoria Catholic schools, ranks #20 of 91.
Mount St Joseph Girls' College has an overall SchoolRank score of 63/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades B+ (Good) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1100 (84th percentile; the national average is 1,000).
In 2025 NAPLAN testing at Mount St Joseph Girls' College, Year 7 students averaged 568 across the tested NAPLAN domains, above the national average of 540 for that year level, and Year 9 students averaged 592, above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Writing. 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.
Mount St Joseph Girls' College is a large Catholic secondary school with approximately 1,216 students. It offers education for years 7-12. As a Catholic school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Mount St Joseph Girls' College has a student-to-teacher ratio of 13.6:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 33% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 91%, which is good.
Mount St Joseph Girls' College has a median ATAR of 73.0.
Mount St Joseph Girls' College is located in Altona, VIC, in a major city. Its ICSEA is 1100 (84th percentile; the national average is 1,000). ICSEA measures the advantage of a school's community, from its parents' education and occupation, not the school's quality. A school with a lower ICSEA and strong academic results may be teaching particularly effectively.