St Mary's College
Updated Oct 2026 · ACARA 2025Hobart, Tasmania 7000 · Hobart LGA
#11 of 51 combined schools in TAS
#396 of 1,259 nationally
About St Mary's College
St Mary's College is a catholic girls' combined (K–12) school located in Hobart, Tasmania (7000), within the Hobart local government area. It caters for students from Prep to 12 and in 2025 enrolled 951 students. The school is affiliated with Catholic Education Tasmania.
St Mary's College has an ICSEA value of 1069, indicating above-average socio-educational advantage. That places it in the 75th percentile of Australian schools. 30% of students come from the top socio-educational quarter and 12% from the bottom quarter.
The school employs 107 teachers (87.7 full-time equivalent) and 68 non-teaching staff, giving a student-to-teacher ratio of about 10.8 to 1. Enrolments have grown by 4% over the past five years.
On the Success Index, St Mary's College scores 63.8 out of 100, placing it in the top 50% of combined schools nationally and 11th of 51 combined schools in TAS (6th of 7 in the Hobart area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1069
- Students in the top advantage quarter (15%)30% of students
- Teacher resourcing (students per teacher) (15%)10.8 students per teacher
- Enrolment growth vs local area (5 years) (10%)+4% enrolments since 2020 (area median +4%)
- ICSEA trend (5 years) (10%)+9 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 951 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.
Elizabeth College
North Hobart · Government high school · 11-12
738 students · ICSEA 996 · 494 m away
Lambert School
North Hobart · Independent combined · 1-10
33 students · ICSEA 1007 · 622 m away
Goulburn Street Primary School
West Hobart · Government primary · K-6
218 students · ICSEA 1112 · 703 m away
St Michael's Collegiate School
Hobart · Independent combined · Prep-12
636 students · ICSEA 1125 · 772 m away
Lansdowne Crescent Primary School
West Hobart · Government primary · K-6
404 students · ICSEA 1130 · 895 m away
Campbell Street Primary School
North Hobart · Government primary · K-6
219 students · ICSEA 1075 · 1.1 km away
Albuera Street Primary School
Battery Point · Government primary · K-6
252 students · ICSEA 1133 · 1.2 km away
South Hobart Primary School
South Hobart · Government primary · K-6
436 students · ICSEA 1137 · 1.4 km away
The Friends' School
North Hobart · Independent combined · Prep-12
1,269 students · ICSEA 1149 · 1.5 km away
Mount Stuart Primary School
Mount Stuart · Government primary · K-6
340 students · ICSEA 1138 · 1.8 km away
Similar schools
Catholic combined schools in TAS with a comparable ICSEA.
Mount Carmel College
Sandy Bay · Catholic combined · Prep-10
572 students · ICSEA 1077
St Virgil's College
Austins Ferry · Catholic combined · Prep-12
792 students · ICSEA 1024
Dominic College
Glenorchy · Catholic combined · Prep-10
1,007 students · ICSEA 1018
St Aloysius Catholic College
Huntingfield · Catholic combined · Prep-12
1,120 students · ICSEA 1018
Sacred Heart College
New Town · Catholic combined · Prep-10
934 students · ICSEA 1017
Star of the Sea Catholic College
George Town · Catholic combined · Prep-10
181 students · ICSEA 939
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 Tasmania.
What year levels does St Mary's College offer?
St Mary's College offers Prep 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 951 enrolled students (951 girls, 0 boys), a change of 4% 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 1069. 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's College rank in TAS?
St Mary's College ranks 11th of 51 combined schools in Tasmania on the Success Index (63.8/100), and 396th of 1,259 nationally.
What is the student-to-teacher ratio at St Mary's College?
St Mary's College has about 10.8 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 132 students in Year 7 and 48 in Year 12.
Is St Mary's College co-ed?
No. St Mary's College is a girls' school.
What other schools are near St Mary's College?
There are 10 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 Torquay, about 568 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.