International School of Western Australia is an independent co-ed school in City Beach offering the International Baccalaureate and an inquiry-based curriculum.
NAPLAN well above the national average at every tested year level; the result is an A- overall.
International School of Western Australia is an independent co-ed school in City Beach offering the International Baccalaureate and an inquiry-based curriculum. The school emphasises international learning and student travel alongside strong fine and performing arts programs. Known for a progressive, inquiry-led approach, it serves families seeking an engaged, international-minded learning environment. Student Support Services are available. Its tight-knit community suits families valuing collaboration and global perspective.
International School of Western Australia is also known as International of Western Australia.
International School of Western Australia has an overall SchoolRank score of 71.1/100, rated "Excellent". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades A− (Excellent) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1180 (98th percentile; the national average is 1,000).
In 2025 NAPLAN testing at International School of Western Australia, Year 3 students averaged 488 across the tested NAPLAN domains, well above the national average of 407 for that year level, and Year 5 students averaged 557, well above the national average of 490 for that year level, and Year 7 students averaged 614, well above the national average of 540 for that year level, and Year 9 students averaged 634, well 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.
International School of Western Australia is a small Independent combined school with approximately 396 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.
International School of Western Australia has a student-to-teacher ratio of 8.4:1. This is well below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 26% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 93%, which is excellent.
International School of Western Australia is located in City Beach, WA, in a major city. Its ICSEA is 1180 (98th 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.