Small Catholic co-ed primary (PP–6) in Joondanna, WA; 200 students.
NAPLAN modestly above national year-level averages and growth above the national median; the result is a B+ overall.
St Denis School is also known as SDS Joondanna.
St Denis School has an overall SchoolRank score of 62.3/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 60/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1123, well above the national average of 1,000. Notably, the school shows strong student growth over time (72/100), meaning students tend to improve well regardless of their starting point.
In 2025 NAPLAN testing at St Denis School, Year 3 students averaged 442 across the tested NAPLAN domains, above the national average of 407 for that year level, and Year 5 students averaged 497, in line with the national average of 490 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.
St Denis School is a very small catholic primary school with approximately 200 students. It offers education for years PP-6. As a catholic school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
St Denis School has a student-to-teacher ratio of 16.4:1. This is above the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 31% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 92%, which is strong.
St Denis School is located in Joondanna, WA, classified as a major cities school. With an ICSEA of 1123 (90th 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.