Westminster is an independent co-ed school on a 23-hectare Marion campus with boarding facilities.
NAPLAN averaging +37 above national year-level averages and a median ATAR of 83.4; the result is a B+ overall.
Westminster is an independent co-ed school on a 23-hectare Marion campus with boarding facilities. It specialises in outdoor education and agriculture alongside performing arts. Known for a strong Outdoor Education program, performing arts ensembles, and extensive sporting opportunities, the school cultivates an experiential, community-focused approach. It suits families seeking hands-on learning and tight-knit school culture.
Westminster School is also known as Westminster Marion.
Median ATAR 83.4 ranks #7 of 8 South Australia schools. Within South Australia Independent schools, ranks #4 of 5.
31.0% of students achieved ATAR ≥ 90 — #7 of 11 South Australia schools.
Westminster School has an overall SchoolRank score of 65.4/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 68/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1139, well above the national average of 1,000.
In 2025 NAPLAN testing at Westminster School, Year 3 students averaged 452 across the tested NAPLAN domains, well above the national average of 407 for that year level, and Year 5 students averaged 527, above the national average of 490 for that year level, and Year 7 students averaged 576, above the national average of 540 for that year level, and Year 9 students averaged 598, above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Grammar. 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.
Westminster School is a large independent combined school with approximately 1,401 students. It offers education for years R-12. As a independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Westminster School has approximate annual tuition fees of $21,118. Actual fees may vary by year level, and additional costs for uniforms, camps, and extracurricular activities typically apply. The school's value score is 45/100, which measures academic outcomes relative to the cost of attendance.
Westminster School has a student-to-teacher ratio of 10.5:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 41% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 94%, which is strong.
Westminster School has a median ATAR of 83.4. 31% of students achieved an ATAR above 90. The apparent retention rate from Year 10 to Year 12 is 156%, indicating how many students stay through to graduation.
Westminster School is located in Marion, SA, classified as a major cities school. With an ICSEA of 1139 (93th 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.