St Mary's College is a Catholic girls' school in Adelaide with a strong pastoral culture and tight-knit community feel.
NAPLAN in line with national year-level averages and a median ATAR of 94.0; the result is a B- overall.
St Mary's College is a Catholic girls' school in Adelaide with a strong pastoral culture and tight-knit community feel. The school has distinct strengths in netball and the performing arts, with specialist programs in both areas. Beyond academics, the school offers outdoor education and supports student wellbeing through a dedicated centre and social work team. It suits families valuing a supportive environment and girls with interests in sport, music, or theatre.
St Mary's College has an overall SchoolRank score of 53.2/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 53/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1073, well above the national average of 1,000.
In 2025 NAPLAN testing at St Mary's College, Year 3 students averaged 386 across the tested NAPLAN domains, below the national average of 407 for that year level, and Year 5 students averaged 478, below the national average of 490 for that year level, and Year 7 students averaged 536, in line with the national average of 540 for that year level, and Year 9 students averaged 582, 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.
St Mary's College is a medium-sized catholic combined school with approximately 659 students. It offers education for years R-12. 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 College has a student-to-teacher ratio of 10.8:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 35% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 90%, which is moderate.
St Mary's College has a median ATAR of 94.0.
St Mary's College is located in Adelaide, SA, classified as a major cities school. With an ICSEA of 1073 (76th 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.