St Mary's School vs Watsonia Primary School
A head-to-head comparison of two primary schools in Victoria, 662 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
St Mary's School
Greensborough · Catholic primary · Prep-6
524 students · ICSEA 1109
Watsonia Primary School
Watsonia · Government primary · Prep-6
63 students · ICSEA 1027
| Measure | St Mary's School Greensborough VIC | Watsonia Primary School Watsonia VIC |
|---|---|---|
| Success Index | 73 Top 25% | 57 Top 50% |
| State rank (type) | #338 of 1,290 | – |
| National rank (type) | #776 of 4,908 | – |
| Sector | Catholic | Government |
| Type | Primary | Primary |
| Year range | Prep-6 | Prep-6 |
| Students | 524 | 63 |
| Girls / boys | 241 / 283 | 25 / 38 |
| Foundation intake | 76 | 11 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -3% | -23% |
| ICSEA Average 1000 | 1109 | 1027 |
| ICSEA percentile | 86th | 59th |
| Top SEA quarter | 39% | 21% |
| Bottom SEA quarter | 5% | 23% |
| Students per teacher | 16.3 | 10.5 |
| Teaching staff (FTE) | 32.2 | 6.0 |
| Non-teaching staff (FTE) | 19.3 | 4.3 |
| Language background other than English | 5% | 25% |
| Indigenous students | 0% | 10% |
| Suburb | Greensborough 3088 | Watsonia 3087 |
| Council area | Banyule | Banyule |
| Remoteness | Major Cities | Major Cities |
| Website | www.smgreensborough.catholic.edu.au | www.watsoniaps.vic.edu.au |
The verdict
- •St Mary's School scores higher on the Success Index (72.7 vs 56.8).
- •St Mary's School has the higher ICSEA (1109 vs 1027), indicating a more advantaged community.
- •Watsonia Primary School has fewer students per teacher (10.5 vs 16.3).
- •St Mary's School is the larger school with 524 students compared with 63.
- •St Mary's School has grown faster over five years (-3% vs -23%).
- •St Mary's School is a catholic school while Watsonia 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 School better than Watsonia Primary School?
On the Success Index, St Mary's School ranks higher (72.7 vs 56.8 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 School and Watsonia Primary School?
About 662 m in a straight line, between Greensborough and Watsonia in Victoria.
Which has the better student-to-teacher ratio?
St Mary's School has 16.3 students per full-time-equivalent teacher and Watsonia Primary School has 10.5.
How do St Mary's School and Watsonia Primary School rank in VIC?
St Mary's School is 338th of 1,290 and Watsonia Primary School is unranked among primary schools in Victoria on the 2025 Success Index.