Large independent co-ed combined school (PP–12) in Duncraig, WA; Uniting Church; 2,137 students.
NAPLAN modestly above national year-level averages; the result is a B overall.
St Stephen's School is also known as SSS Duncraig.
St Stephen's School has an overall SchoolRank score of 57.9/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular 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 1120, well above the national average of 1,000.
In 2025 NAPLAN testing at St Stephen's School, Year 3 students averaged 416 across the tested NAPLAN domains, in line with the national average of 407 for that year level, and Year 5 students averaged 509, above the national average of 490 for that year level, and Year 7 students averaged 561, above the national average of 540 for that year level, and Year 9 students averaged 599, above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Reading. 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 Stephen's School is a large Independent combined school with approximately 2,137 students. It offers education for years PP-12. As an Independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
St Stephen's School has a student-to-teacher ratio of 12.3:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 37% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 93%, which is strong.
The Year 12 completion rate is 97%.
St Stephen's School is located in Duncraig, WA, classified as a major cities school. With an ICSEA of 1120 (89th 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.