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; 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 is also known as SMC Adelaide.
St Mary's College has an overall SchoolRank score of 51.7/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades B (Average) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1073 (76th percentile; the national average is 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 good.
St Mary's College is located in Adelaide, SA, in a major city. Its ICSEA is 1073 (76th 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.