St Colman's School vs St Mary's School
A head-to-head comparison of two primary schools in Victoria, 366 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
St Colman's School
Mortlake · Catholic primary · Prep-6
39 students · ICSEA 1026
St Mary's School
Maffra · Catholic primary · Prep-6
176 students · ICSEA 1026
| Measure | St Colman's School Mortlake VIC | St Mary's School Maffra VIC |
|---|---|---|
| Success Index | 53 Top 50% | 58 Top 50% |
| State rank (type) | – | #712 of 1,290 |
| National rank (type) | – | #2120 of 4,908 |
| Sector | Catholic | Catholic |
| Type | Primary | Primary |
| Year range | Prep-6 | Prep-6 |
| Students | 39 | 176 |
| Girls / boys | 22 / 17 | 90 / 86 |
| Foundation intake | 6 | 22 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -25% | +33% |
| ICSEA Average 1000 | 1026 | 1026 |
| ICSEA percentile | 58th | 58th |
| Top SEA quarter | 8% | 11% |
| Bottom SEA quarter | 26% | 22% |
| Students per teacher | 8.1 | 12.6 |
| Teaching staff (FTE) | 4.8 | 14.0 |
| Non-teaching staff (FTE) | 3.8 | 6.2 |
| Language background other than English | 14% | 8% |
| Indigenous students | 3% | 0% |
| Suburb | Mortlake 3272 | Maffra 3860 |
| Council area | Moyne | Wellington |
| Remoteness | Inner Regional | Inner Regional |
| Website | www.scmortlake.catholic.edu.au | www.stmmaffra.catholic.edu.au |
The verdict
- •St Mary's School scores higher on the Success Index (57.5 vs 53.1).
- •St Colman's School has fewer students per teacher (8.1 vs 12.6).
- •St Mary's School is the larger school with 176 students compared with 39.
- •St Mary's School has grown faster over five years (33% vs -25%).
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 Colman's School better than St Mary's School?
On the Success Index, St Mary's School ranks higher (57.5 vs 53.1 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 St Colman's School and St Mary's School?
About 366 km in a straight line, between Mortlake and Maffra in Victoria.
Which has the better student-to-teacher ratio?
St Colman's School has 8.1 students per full-time-equivalent teacher and St Mary's School has 12.6.
How do St Colman's School and St Mary's School rank in VIC?
St Colman's School is unranked and St Mary's School is 712th of 1,290 among primary schools in Victoria on the 2025 Success Index.