St George College vs St Mary's College
A head-to-head comparison of two combined schools in South Australia, 1.8 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
St George College
Mile End · Independent combined · R-12
350 students · ICSEA 1046
St Mary's College
Adelaide · Catholic combined · R-12
659 students · ICSEA 1073
| Measure | St George College Mile End SA | St Mary's College Adelaide SA |
|---|---|---|
| Success Index | 64 Top 50% | 56 Top 50% |
| State rank (type) | #26 of 145 | #39 of 145 |
| National rank (type) | #400 of 1,259 | #524 of 1,259 |
| Sector | Independent | Catholic |
| Type | Combined | Combined |
| Year range | R-12 | R-12 |
| Students | 350 | 659 |
| Girls / boys | 179 / 171 | 659 / 0 |
| Foundation intake | 28 | 13 |
| Year 7 cohort | 34 | 79 |
| Year 12 cohort | 33 | 100 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +17% | -22% |
| ICSEA Average 1000 | 1046 | 1073 |
| ICSEA percentile | 67th | 76th |
| Top SEA quarter | 21% | 26% |
| Bottom SEA quarter | 19% | 10% |
| Students per teacher | 8.2 | 10.8 |
| Teaching staff (FTE) | 42.6 | 60.9 |
| Non-teaching staff (FTE) | 15.0 | 32.1 |
| Language background other than English | 75% | 15% |
| Indigenous students | 1% | 1% |
| Suburb | Mile End 5031 | Adelaide 5000 |
| Council area | West Torrens | Adelaide |
| Remoteness | Major Cities | Major Cities |
| Website | www.sgc.sa.edu.au | www.stmarys.sa.edu.au |
The verdict
- •St George College scores higher on the Success Index (63.7 vs 56.4).
- •St Mary's College has the higher ICSEA (1073 vs 1046), indicating a more advantaged community.
- •St George College has fewer students per teacher (8.2 vs 10.8).
- •St Mary's College is the larger school with 659 students compared with 350.
- •St George College has grown faster over five years (17% vs -22%).
- •St George College is a independent school while St Mary's College is a catholic 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 George College better than St Mary's College?
On the Success Index, St George College ranks higher (63.7 vs 56.4 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 George College and St Mary's College?
About 1.8 km in a straight line, between Mile End and Adelaide in South Australia.
Which has the better student-to-teacher ratio?
St George College has 8.2 students per full-time-equivalent teacher and St Mary's College has 10.8.
How do St George College and St Mary's College rank in SA?
St George College is 26th of 145 and St Mary's College is 39th of 145 among combined schools in South Australia on the 2025 Success Index.