Santa Maria College is an independent girls school in Attadale with roots in Mercy education and a values-led curriculum centred on hospitality, compassion, justice, service and excellence.
NAPLAN averaging 35 points above national year-level averages and solid student growth; the result is a B+ overall.
Santa Maria College is an independent girls school in Attadale with roots in Mercy education and a values-led curriculum centred on hospitality, compassion, justice, service and excellence. The school is known for its boarding program and structured leadership pathways. Built on a pastoral approach, it creates a tight-knit community culture with a traditional framework. The campus sits on the Swan River, and the school emphasises social innovation and community service alongside formal learning. Suited to girls seeking a values-driven education within a supportive, deliberately structured environment.
Santa Maria College is also known as SMC Attadale.
Santa Maria College has an overall SchoolRank score of 62.9/100, 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 1133 (92nd percentile; the national average is 1,000). Notably, student growth grades B+ (Good).
In 2025 NAPLAN testing at Santa Maria College, Year 5 students averaged 520 across the tested NAPLAN domains, above the national average of 490 for that year level, and Year 7 students averaged 575, above the national average of 540 for that year level, and Year 9 students averaged 609, well 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.
Santa Maria College is a large Independent combined school with approximately 1,334 students. It offers education for years 5-12. As an Independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Santa Maria College has a student-to-teacher ratio of 12.2:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 28% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 93%, which is excellent.
Santa Maria College's official WACE results: Achieved the WACE (2025), 100%. They cover 185 students in full-time, WACE-eligible Year 12. The Year 12 completion rate is 99%.
Santa Maria College is located in Attadale, WA, in a major city. Its ICSEA is 1133 (92nd 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.