Mount St Joseph Girls' College vs Seaholme Primary School
A head-to-head comparison of two schools in Victoria, 2.5 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Mount St Joseph Girls' College
Altona · Catholic high school · 7-12
1,216 students · ICSEA 1100
Seaholme Primary School
Seaholme · Government primary · Prep-6
298 students · ICSEA 1105
| Measure | Mount St Joseph Girls' College Altona VIC | Seaholme Primary School Seaholme VIC |
|---|---|---|
| Success Index | 75 Top 25% | 73 Top 25% |
| State rank (type) | #72 of 348 | #325 of 1,290 |
| National rank (type) | #169 of 1,472 | #728 of 4,908 |
| Sector | Catholic | Government |
| Type | Secondary | Primary |
| Year range | 7-12 | Prep-6 |
| Students | 1,216 | 298 |
| Girls / boys | 1,216 / 0 | 134 / 164 |
| Foundation intake | – | 39 |
| Year 7 cohort | 219 | – |
| Year 12 cohort | 184 | – |
| VCE median study score VCAA, latest year | 31 | – |
| VCE study scores 40+ | 3.9% | – |
| 5-year enrolment growth | +15% | -14% |
| ICSEA Average 1000 | 1100 | 1105 |
| ICSEA percentile | 84th | 86th |
| Top SEA quarter | 39% | 42% |
| Bottom SEA quarter | 9% | 9% |
| Students per teacher | 13.6 | 14.3 |
| Teaching staff (FTE) | 89.1 | 20.8 |
| Non-teaching staff (FTE) | 43.5 | 8.6 |
| Language background other than English | 34% | 31% |
| Indigenous students | 0% | 1% |
| Suburb | Altona 3018 | Seaholme 3018 |
| Council area | Hobsons Bay | Hobsons Bay |
| Remoteness | Major Cities | Major Cities |
| Website | www.msj.vic.edu.au | www.seaholmeps.vic.edu.au |
The verdict
- •Mount St Joseph Girls' College scores higher on the Success Index (75.1 vs 73.1).
- •Seaholme Primary School has the higher ICSEA (1105 vs 1100), indicating a more advantaged community.
- •Mount St Joseph Girls' College has fewer students per teacher (13.6 vs 14.3).
- •Mount St Joseph Girls' College is the larger school with 1,216 students compared with 298.
- •Mount St Joseph Girls' College has grown faster over five years (15% vs -14%).
- •Mount St Joseph Girls' College is a catholic school while Seaholme Primary School is a government school, so fees and enrolment rules differ.
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
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Frequently asked questions
Is Mount St Joseph Girls' College better than Seaholme Primary School?
On the Success Index, Mount St Joseph Girls' College ranks higher (75.1 vs 73.1 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.
How far apart are Mount St Joseph Girls' College and Seaholme Primary School?
About 2.5 km in a straight line, between Altona and Seaholme in Victoria.
Which has the better student-to-teacher ratio?
Mount St Joseph Girls' College has 13.6 students per full-time-equivalent teacher and Seaholme Primary School has 14.3.
How do Mount St Joseph Girls' College and Seaholme Primary School rank in VIC?
Mount St Joseph Girls' College is 72nd of 348 and Seaholme Primary School is 325th of 1,290 among secondary schools in Victoria on the 2025 Success Index.