St Mary MacKillop College
Updated Oct 2026 · ACARA 2025Busselton, Western Australia 6280 · Busselton LGA
#71 of 172 combined schools in WA
#647 of 1,259 nationally
About St Mary MacKillop College
St Mary MacKillop College is a catholic combined (K–12) school located in Busselton, Western Australia (6280), within the Busselton local government area. It caters for students from PP to 12 and in 2025 enrolled 1,552 students (794 girls and 758 boys). The school is affiliated with Catholic Education Western Australia.
St Mary MacKillop College has an ICSEA value of 1052, indicating above-average socio-educational advantage. That places it in the 69th percentile of Australian schools. 20% of students come from the top socio-educational quarter and 15% from the bottom quarter.
The school employs 122 teachers (107.2 full-time equivalent) and 91 non-teaching staff, giving a student-to-teacher ratio of about 14.5 to 1. Enrolments have grown by 14% over the past five years.
On the Success Index, St Mary MacKillop College scores 50.5 out of 100, placing it in the top 50% of combined schools nationally and 71st of 172 combined schools in WA (2nd of 3 in the Busselton area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1052
- Students in the top advantage quarter (15%)20% of students
- Teacher resourcing (students per teacher) (15%)14.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)+14% enrolments since 2020 (area median +14%)
- ICSEA trend (5 years) (10%)+4 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 St Mary MacKillop College's 1,552 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary MacKillop College have changed over the past decade.
Free academic assessment
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Schools near St Mary MacKillop College
Closest schools by straight-line distance, with their Success Index.
Geographe Education Support Centre
Busselton · Government special · K-12
62 students · ICSEA 973 · 367 m away
Geographe Primary School
Busselton · Government primary · K-6
413 students · ICSEA 976 · 377 m away
Busselton Senior High School
Busselton · Government high school · 7-12
594 students · ICSEA 952 · 840 m away
Cornerstone Christian College
Busselton · Independent combined · PP-12
380 students · ICSEA 1038 · 978 m away
West Busselton Primary School
Busselton · Government primary · K-6
347 students · ICSEA 954 · 1.7 km away
Georgiana Molloy Anglican School
Yalyalup · Independent combined · PP-12
1,215 students · ICSEA 1067 · 4.8 km away
Busselton Primary School
Busselton · Government primary · K-6
180 students · ICSEA 908 · 5.1 km away
Vasse Primary School
Vasse · Government primary · K-6
744 students · ICSEA 997 · 7.7 km away
Cape Naturaliste College
Vasse · Government high school · 7-12
1,168 students · ICSEA 1023 · 8.0 km away
Similar schools
Catholic combined schools in WA with a comparable ICSEA.
St John Bosco College
Piara Waters · Catholic combined · PP-12
1,243 students · ICSEA 1063
Holy Cross College
Ellenbrook · Catholic combined · PP-12
1,311 students · ICSEA 1040
Salvado Catholic College
Byford · Catholic combined · PP-11
867 students · ICSEA 1035
Mother Teresa Catholic College
Baldivis · Catholic combined · PP-12
1,526 students · ICSEA 1034
Mandurah Catholic College
Mandurah · Catholic combined · PP-12
1,604 students · ICSEA 1030
St Joseph's College
Albany · Catholic combined · PP-12
675 students · ICSEA 1023
Frequently asked questions
Is St Mary MacKillop College a public or private school?
St Mary MacKillop College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Western Australia.
What year levels does St Mary MacKillop College offer?
St Mary MacKillop College offers PP to 12. It is classified by ACARA as a combined school.
How many students attend St Mary MacKillop College?
In 2025, St Mary MacKillop College had 1,552 enrolled students (794 girls, 758 boys), a change of 14% over five years.
What is the ICSEA of St Mary MacKillop College?
St Mary MacKillop College has an ICSEA (Index of Community Socio-Educational Advantage) of 1052. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Mary MacKillop College rank in WA?
St Mary MacKillop College ranks 71st of 172 combined schools in Western Australia on the Success Index (50.5/100), and 647th of 1,259 nationally.
What is the student-to-teacher ratio at St Mary MacKillop College?
St Mary MacKillop College has about 14.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Mary MacKillop College?
In 2025, St Mary MacKillop College had 170 students in Year 7 and 116 in Year 12.
Is St Mary MacKillop College co-ed?
Yes. St Mary MacKillop College is a co-educational school enrolling both girls and boys.
What other schools are near St Mary MacKillop College?
There are 9 other schools within 15 km of St Mary MacKillop College 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 St Mary MacKillop College?
The closest Success Tutoring centre is Success Tutoring Baldivis, about 154 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.