Mid-sized Catholic girls' secondary school (1216 students, Year 7–12) in Altona, Victoria.
NAPLAN averaging +26 above national year-level averages and a median ATAR of 73.0; the result is a B overall.
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 64.1/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 63/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1100, well above the national average of 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 moderate.
Mount St Joseph Girls' College has a median ATAR of 73.0. The apparent retention rate from Year 10 to Year 12 is 152%, indicating how many students stay through to graduation.
Mount St Joseph Girls' College is located in Altona, VIC, classified as a major cities school. With an ICSEA of 1100 (84th percentile), the school community's socio-educational advantage is above average, families tend to have higher education and income levels. 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.