St Mary's College
Updated Oct 2026 · ACARA 2025Broome, Western Australia 6725 · Broome LGA
#150 of 172 combined schools in WA
#1162 of 1,259 nationally
About St Mary's College
St Mary's College is a catholic combined (K–12) school located in Broome, Western Australia (6725), within the Broome local government area. It caters for students from PP to 12 and in 2025 enrolled 741 students (353 girls and 388 boys). The school is affiliated with Catholic Education Western Australia.
St Mary's College has an ICSEA value of 844, indicating a community facing significant socio-educational disadvantage. That places it in the 5th percentile of Australian schools. 11% of students come from the top socio-educational quarter and 50% from the bottom quarter.
The school employs 74 teachers (70.1 full-time equivalent) and 68 non-teaching staff, giving a student-to-teacher ratio of about 10.6 to 1. Enrolments have grown by 9% over the past five years.
On the Success Index, St Mary's College scores 26.1 out of 100, placing it in the lower 50% of combined schools nationally and 150th of 172 combined schools in WA (1st of 3 in the Broome area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 844
- Students in the top advantage quarter (15%)11% of students
- Teacher resourcing (students per teacher) (15%)10.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+9% enrolments since 2020 (area median +9%)
- ICSEA trend (5 years) (10%)-43 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's College's 741 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's College have changed over the past decade.
Free academic assessment
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Schools near St Mary's College
Closest schools by straight-line distance, with their Success Index.
St Martin de Porres School
Broome · Catholic special · 7-12
13 students · ICSEA 871 · 579 m away
Cable Beach Primary School
Broome · Government primary · K-6
299 students · ICSEA 836 · 749 m away
Broome Senior High School
Broome · Government high school · 7-12
825 students · ICSEA 924 · 1.1 km away
Broome Primary School
Broome · Government primary · K-6
335 students · ICSEA 856 · 1.7 km away
Roebuck Primary School
Broome · Government primary · K-6
339 students · ICSEA 1006 · 2.5 km away
Broome North Primary School
Broome · Government primary · K-6
396 students · ICSEA 998 · 4.0 km away
Similar schools
Catholic combined schools in WA with a comparable ICSEA.
St Mary Star of the Sea College
Carnarvon · Catholic combined · PP-12
321 students · ICSEA 951
Christ the King Catholic School
Broome · Catholic combined · PP-10
38 students · ICSEA 704
Mercy College
Koondoola · Catholic combined · PP-12
1,574 students · ICSEA 988
Luurnpa Catholic School
Halls Creek · Catholic combined · PP-10
63 students · ICSEA 676
St Joseph's School
Northam · Catholic combined · PP-12
721 students · ICSEA 1013
Kearnan College
Manjimup · Catholic combined · PP-12
338 students · ICSEA 1017
Frequently asked questions
Is St Mary's College a public or private school?
St Mary's 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's College offer?
St Mary's College offers PP to 12. It is classified by ACARA as a combined school.
How many students attend St Mary's College?
In 2025, St Mary's College had 741 enrolled students (353 girls, 388 boys), a change of 9% over five years.
What is the ICSEA of St Mary's College?
St Mary's College has an ICSEA (Index of Community Socio-Educational Advantage) of 844. The national average is 1000, so this indicates a community facing significant socio-educational disadvantage. ICSEA reflects the school community, not teaching quality.
How does St Mary's College rank in WA?
St Mary's College ranks 150th of 172 combined schools in Western Australia on the Success Index (26.1/100), and 1162nd of 1,259 nationally.
What is the student-to-teacher ratio at St Mary's College?
St Mary's College has about 10.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Mary's College?
In 2025, St Mary's College had 68 students in Year 7 and 25 in Year 12.
Is St Mary's College co-ed?
Yes. St Mary's College is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's College?
There are 6 other schools within 15 km of St Mary's 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's College?
The closest Success Tutoring centre is Success Tutoring Ellenbrook, about 1659 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.