St Michael's Grammar School vs Windsor Primary School
A head-to-head comparison of two schools in Victoria, 439 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
St Michael's Grammar School
St Kilda · Independent combined · Prep-12
1,143 students · ICSEA 1180
Windsor Primary School
Windsor · Government primary · Prep-6
125 students · ICSEA 1049
| Measure | St Michael's Grammar School St Kilda VIC | Windsor Primary School Windsor VIC |
|---|---|---|
| Success Index | 89 Top 5% | 66 Top 25% |
| State rank (type) | #4 of 239 | #518 of 1,290 |
| National rank (type) | #9 of 1,259 | #1428 of 4,908 |
| Sector | Independent | Government |
| Type | Combined | Primary |
| Year range | Prep-12 | Prep-6 |
| Students | 1,143 | 125 |
| Girls / boys | 545 / 598 | 73 / 52 |
| Foundation intake | 28 | 10 |
| Year 7 cohort | 134 | – |
| Year 12 cohort | 145 | – |
| VCE median study score VCAA, latest year | 33 | – |
| VCE study scores 40+ | 10.3% | – |
| 5-year enrolment growth | +1% | -28% |
| ICSEA Average 1000 | 1180 | 1049 |
| ICSEA percentile | 99th | 68th |
| Top SEA quarter | 72% | 28% |
| Bottom SEA quarter | 0% | 24% |
| Students per teacher | 8.2 | 10.3 |
| Teaching staff (FTE) | 139.5 | 12.0 |
| Non-teaching staff (FTE) | 80.2 | 6.2 |
| Language background other than English | 12% | 50% |
| Indigenous students | 0% | 4% |
| Suburb | St Kilda 3182 | Windsor 3181 |
| Council area | Port Phillip | Stonnington |
| Remoteness | Major Cities | Major Cities |
| Website | www.stmichaels.vic.edu.au | www.windsorps.vic.edu.au/ |
The verdict
- •St Michael's Grammar School scores higher on the Success Index (89.3 vs 65.5).
- •St Michael's Grammar School has the higher ICSEA (1180 vs 1049), indicating a more advantaged community.
- •St Michael's Grammar School has fewer students per teacher (8.2 vs 10.3).
- •St Michael's Grammar School is the larger school with 1,143 students compared with 125.
- •St Michael's Grammar School has grown faster over five years (1% vs -28%).
- •St Michael's Grammar School is a independent 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 Michael's Grammar School better than Windsor Primary School?
On the Success Index, St Michael's Grammar School ranks higher (89.3 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 Michael's Grammar School and Windsor Primary School?
About 439 m in a straight line, between St Kilda and Windsor in Victoria.
Which has the better student-to-teacher ratio?
St Michael's Grammar School has 8.2 students per full-time-equivalent teacher and Windsor Primary School has 10.3.
How do St Michael's Grammar School and Windsor Primary School rank in VIC?
St Michael's Grammar School is 4th of 239 and Windsor Primary School is 518th of 1,290 among combined schools in Victoria on the 2025 Success Index.