Holy Trinity School vs St Mary's College for the Deaf
A head-to-head comparison of two schools in Victoria, 49 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Holy Trinity School
Wantirna South · Catholic primary · Prep-6
210 students · ICSEA 1083
St Mary's College for the Deaf
Wantirna South · Catholic special · U
75 students · ICSEA 1028
| Measure | Holy Trinity School Wantirna South VIC | St Mary's College for the Deaf Wantirna South VIC |
|---|---|---|
| Success Index | 69 Top 25% | – Not rated |
| State rank (type) | #427 of 1,290 | – |
| National rank (type) | #1075 of 4,908 | – |
| Sector | Catholic | Catholic |
| Type | Primary | Special |
| Year range | Prep-6 | U |
| Students | 210 | 75 |
| Girls / boys | 99 / 111 | 36 / 39 |
| Foundation intake | 24 | – |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -30% | +3% |
| ICSEA Average 1000 | 1083 | 1028 |
| ICSEA percentile | 79th | 59th |
| Top SEA quarter | 31% | 22% |
| Bottom SEA quarter | 10% | 29% |
| Students per teacher | 12.9 | 3.2 |
| Teaching staff (FTE) | 16.3 | 23.1 |
| Non-teaching staff (FTE) | 8.0 | 9.7 |
| Language background other than English | 33% | 14% |
| Indigenous students | 0% | 0% |
| Suburb | Wantirna South 3152 | Wantirna South 3152 |
| Council area | Knox | Knox |
| Remoteness | Major Cities | Major Cities |
| Website | www.htws.catholic.edu.au | smdeaf.vic.edu.au |
The verdict
- •Holy Trinity School has the higher ICSEA (1083 vs 1028), indicating a more advantaged community.
- •St Mary's College for the Deaf has fewer students per teacher (3.2 vs 12.9).
- •Holy Trinity School is the larger school with 210 students compared with 75.
- •St Mary's College for the Deaf has grown faster over five years (3% vs -30%).
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 Holy Trinity School better than St Mary's College for the Deaf?
The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.
How far apart are Holy Trinity School and St Mary's College for the Deaf?
About 49 m in a straight line, between Wantirna South and Wantirna South in Victoria.
Which has the better student-to-teacher ratio?
Holy Trinity School has 12.9 students per full-time-equivalent teacher and St Mary's College for the Deaf has 3.2.
How do Holy Trinity School and St Mary's College for the Deaf rank in VIC?
Holy Trinity School is 427th of 1,290 and St Mary's College for the Deaf is unranked among primary schools in Victoria on the 2025 Success Index.