International School of Western Australia
Updated Oct 2026 · ACARA 2025City Beach, Western Australia 6015 · Stirling LGA
About International School of Western Australia
International School of Western Australia is an independent combined (K–12) school located in City Beach, Western Australia (6015), within the Stirling local government area. It caters for students from PP to 12 and in 2025 enrolled 396 students (189 girls and 207 boys). The school is affiliated with Association of Independent Schools of WA.
International School of Western Australia has an ICSEA value of 1180, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 98th percentile of Australian schools. 78% of students come from the top socio-educational quarter and 0% from the bottom quarter.
The school employs 53 teachers (47.3 full-time equivalent) and 19 non-teaching staff, giving a student-to-teacher ratio of about 8.4 to 1. Enrolments have grown by 32% over the past five years.
On the Success Index, International School of Western Australia scores 89.7 out of 100, placing it in the top 5% of combined schools nationally and 2nd of 172 combined schools in WA (1st of 9 in the Stirling area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1180
- Students in the top advantage quarter (15%)78% of students
- Teacher resourcing (students per teacher) (15%)8.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)+32% enrolments since 2020 (area median +5%)
- ICSEA trend (5 years) (10%)+3 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How International School of Western Australia's 396 students are spread across year levels in 2025.
Enrolment trend
How enrolments at International School of Western Australia have changed over the past decade.
Free academic assessment
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Schools near International School of Western Australia
Closest schools by straight-line distance, with their Success Index.
Doubleview Primary School
Doubleview · Government primary · K-6
476 students · ICSEA 1118 · 26 m away
Scarborough Primary School
Scarborough · Government primary · K-6
278 students · ICSEA 1101 · 1.0 km away
St John's School
Scarborough · Catholic primary · PP-6
164 students · ICSEA 1102 · 1.2 km away
St Dominic's School
Innaloo · Catholic primary · PP-6
138 students · ICSEA 1108 · 1.3 km away
Yuluma Primary School
Innaloo · Government primary · K-6
368 students · ICSEA 1038 · 1.3 km away
Newborough Primary School
Karrinyup · Government primary · K-6
344 students · ICSEA 1086 · 1.4 km away
Holy Rosary School
Doubleview · Catholic primary · PP-6
392 students · ICSEA 1128 · 1.6 km away
Wembley Downs Primary School
Wembley Downs · Government primary · K-6
382 students · ICSEA 1134 · 1.6 km away
Hale School
Wembley Downs · Independent combined · PP-12
1,623 students · ICSEA 1161 · 1.7 km away
Our Lady of Good Counsel School
Karrinyup · Catholic primary · PP-6
152 students · ICSEA 1095 · 1.8 km away
Similar schools
Independent combined schools in WA with a comparable ICSEA.
The Beehive Montessori School
Mosman Park · Independent combined · PP-9
152 students · ICSEA 1181
St Hilda's Anglican School for Girls
Mosman Park · Independent combined · PP-12
1,075 students · ICSEA 1171
Methodist Ladies' College
Claremont · Independent combined · PP-12
1,035 students · ICSEA 1190
Christ Church Grammar School
Claremont · Independent combined · PP-12
1,697 students · ICSEA 1193
All Saints' College
Bull Creek · Independent combined · PP-12
1,374 students · ICSEA 1162
Hale School
Wembley Downs · Independent combined · PP-12
1,623 students · ICSEA 1161
Frequently asked questions
Is International School of Western Australia a public or private school?
International School of Western Australia is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of WA.
What year levels does International School of Western Australia offer?
International School of Western Australia offers PP to 12. It is classified by ACARA as a combined school.
How many students attend International School of Western Australia?
In 2025, International School of Western Australia had 396 enrolled students (189 girls, 207 boys), a change of 32% over five years.
What is the ICSEA of International School of Western Australia?
International School of Western Australia has an ICSEA (Index of Community Socio-Educational Advantage) of 1180. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.
How does International School of Western Australia rank in WA?
International School of Western Australia ranks 2nd of 172 combined schools in Western Australia on the Success Index (89.7/100), and 8th of 1,259 nationally.
What is the student-to-teacher ratio at International School of Western Australia?
International School of Western Australia has about 8.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at International School of Western Australia?
In 2025, International School of Western Australia had 40 students in Year 7 and 35 in Year 12.
Is International School of Western Australia co-ed?
Yes. International School of Western Australia is a co-educational school enrolling both girls and boys.
What other schools are near International School of Western Australia?
There are 10 other schools within 15 km of International School of Western Australia in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near International School of Western Australia?
The closest Success Tutoring centre is Success Tutoring Stirling, about 3.3 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.