St Mary's College Melbourne vs Windsor Primary School
A head-to-head comparison of two schools in Victoria, 267 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
St Mary's College Melbourne
St Kilda East · Catholic high school · 7-12
440 students · ICSEA 1093
Windsor Primary School
Windsor · Government primary · Prep-6
125 students · ICSEA 1049
| Measure | St Mary's College Melbourne St Kilda East VIC | Windsor Primary School Windsor VIC |
|---|---|---|
| Success Index | 79 Top 10% | 66 Top 25% |
| State rank (type) | #38 of 348 | #518 of 1,290 |
| National rank (type) | #88 of 1,472 | #1428 of 4,908 |
| Sector | Catholic | Government |
| Type | Secondary | Primary |
| Year range | 7-12 | Prep-6 |
| Students | 440 | 125 |
| Girls / boys | 133 / 307 | 73 / 52 |
| Foundation intake | – | 10 |
| Year 7 cohort | 71 | – |
| Year 12 cohort | 78 | – |
| VCE median study score VCAA, latest year | 29 | – |
| VCE study scores 40+ | 4.1% | – |
| 5-year enrolment growth | -7% | -28% |
| ICSEA Average 1000 | 1093 | 1049 |
| ICSEA percentile | 82th | 68th |
| Top SEA quarter | 34% | 28% |
| Bottom SEA quarter | 7% | 24% |
| Students per teacher | 10.4 | 10.3 |
| Teaching staff (FTE) | 42.3 | 12.0 |
| Non-teaching staff (FTE) | 20.5 | 6.2 |
| Language background other than English | 22% | 50% |
| Indigenous students | 0% | 4% |
| Suburb | St Kilda East 3183 | Windsor 3181 |
| Council area | Port Phillip | Stonnington |
| Remoteness | Major Cities | Major Cities |
| Website | www.stmaryscollege.vic.edu.au/ | www.windsorps.vic.edu.au/ |
The verdict
- •St Mary's College Melbourne scores higher on the Success Index (78.8 vs 65.5).
- •St Mary's College Melbourne has the higher ICSEA (1093 vs 1049), indicating a more advantaged community.
- •St Mary's College Melbourne is the larger school with 440 students compared with 125.
- •St Mary's College Melbourne has grown faster over five years (-7% vs -28%).
- •St Mary's College Melbourne is a catholic school while Windsor 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 St Mary's College Melbourne better than Windsor Primary School?
On the Success Index, St Mary's College Melbourne ranks higher (78.8 vs 65.5 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 St Mary's College Melbourne and Windsor Primary School?
About 267 m in a straight line, between St Kilda East and Windsor in Victoria.
Which has the better student-to-teacher ratio?
St Mary's College Melbourne has 10.4 students per full-time-equivalent teacher and Windsor Primary School has 10.3.
How do St Mary's College Melbourne and Windsor Primary School rank in VIC?
St Mary's College Melbourne is 38th of 348 and Windsor Primary School is 518th of 1,290 among secondary schools in Victoria on the 2025 Success Index.