Mount St Joseph Girls' College
Updated Oct 2026 · ACARA 2025Altona, Victoria 3018 · Hobsons Bay LGA
About Mount St Joseph Girls' College
Mount St Joseph Girls' College is a catholic girls' high school located in Altona, Victoria (3018), within the Hobsons Bay local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,216 students. The school is affiliated with Victorian Catholic Education Authority.
Mount St Joseph Girls' College has an ICSEA value of 1100, indicating very high socio-educational advantage. That places it in the 84th percentile of Australian schools. 39% of students come from the top socio-educational quarter and 9% from the bottom quarter.
The school employs 92 teachers (89.1 full-time equivalent) and 47 non-teaching staff, giving a student-to-teacher ratio of about 13.6 to 1. Enrolments have grown by 15% over the past five years.
On the Success Index, Mount St Joseph Girls' College scores 75.1 out of 100, placing it in the top 25% of secondary schools nationally and 72nd of 348 secondary schools in VIC (2nd of 3 in the Hobsons Bay area).
VCE results (2025)
Published by the Victorian Curriculum and Assessment Authority. Study scores range from 0 to 50 with a state mean of 30; a score of 40 or above is in roughly the top 9% statewide.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1100
- Students in the top advantage quarter (15%)39% of students
- Teacher resourcing (students per teacher) (15%)13.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+15% enrolments since 2020 (area median +15%)
- ICSEA trend (5 years) (10%)+30 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 Mount St Joseph Girls' College's 1,216 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Mount St Joseph Girls' College have changed over the past decade.
Free academic assessment
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Schools near Mount St Joseph Girls' College
Closest schools by straight-line distance, with their Success Index.
Altona College
Altona · Government combined · Prep-12
796 students · ICSEA 1044 · 558 m away
Altona Primary School
Altona · Government primary · Prep-6
512 students · ICSEA 1111 · 1.1 km away
St Mary's School
Altona · Catholic primary · Prep-6
259 students · ICSEA 1060 · 1.5 km away
Queen of Peace Primary School
Altona Meadows · Catholic primary · Prep-6
485 students · ICSEA 1064 · 2.2 km away
Seaholme Primary School
Seaholme · Government primary · Prep-6
298 students · ICSEA 1105 · 2.5 km away
Altona Meadows Primary School
Altona Meadows · Government primary · Prep-6
235 students · ICSEA 1000 · 2.9 km away
St Martin de Porres School
Laverton · Catholic primary · Prep-6
270 students · ICSEA 1080 · 3.2 km away
Western Autistic School
Laverton · Government special · U
290 students · ICSEA 1042 · 3.3 km away
Jennings Street School
Laverton · Government special · U
117 students · ICSEA 1037 · 3.5 km away
Altona Green Primary School
Altona Meadows · Government primary · Prep-6
418 students · ICSEA 1051 · 3.5 km away
Similar schools
Catholic secondary schools in VIC with a comparable ICSEA.
St Bernard's College
Essendon · Catholic high school · 7-12
1,567 students · ICSEA 1100
Sacred Heart Girls' College
Hughesdale · Catholic high school · 7-12
932 students · ICSEA 1102
St Bede's College
Mentone · Catholic high school · 7-12
1,882 students · ICSEA 1097
Sacred Heart College
Newtown · Catholic high school · 7-12
1,450 students · ICSEA 1105
St Mary's College Melbourne
St Kilda East · Catholic high school · 7-12
440 students · ICSEA 1093
St Columba's College
Essendon · Catholic high school · 7-12
1,047 students · ICSEA 1107
Frequently asked questions
Is Mount St Joseph Girls' College a public or private school?
Mount St Joseph Girls' College is a Catholic school, which makes it a non-government (private) school affiliated with Victorian Catholic Education Authority.
What year levels does Mount St Joseph Girls' College offer?
Mount St Joseph Girls' College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Mount St Joseph Girls' College?
In 2025, Mount St Joseph Girls' College had 1,216 enrolled students (1,216 girls, 0 boys), a change of 15% over five years.
What is the ICSEA of Mount St Joseph Girls' College?
Mount St Joseph Girls' College has an ICSEA (Index of Community Socio-Educational Advantage) of 1100. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Mount St Joseph Girls' College rank in VIC?
Mount St Joseph Girls' College ranks 72nd of 348 secondary schools in Victoria on the Success Index (75.1/100), and 169th of 1,472 nationally.
What is the student-to-teacher ratio at Mount St Joseph Girls' College?
Mount St Joseph Girls' College has about 13.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
What are the VCE results at Mount St Joseph Girls' College?
In 2025, Mount St Joseph Girls' College recorded a median VCE study score of 31 with 3.9% of study scores at 40 or above, from 225 students enrolled in at least one VCE study. Source: VCAA Senior Secondary Completion and Achievement Information.
How big is the Year 7 cohort at Mount St Joseph Girls' College?
In 2025, Mount St Joseph Girls' College had 219 students in Year 7 and 184 in Year 12.
Is Mount St Joseph Girls' College co-ed?
No. Mount St Joseph Girls' College is a girls' school.
What other schools are near Mount St Joseph Girls' College?
There are 10 other schools within 15 km of Mount St Joseph Girls' 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 Mount St Joseph Girls' College?
The closest Success Tutoring centre is Success Tutoring Altona, about 741 m from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.