Marian College vs Trinity College Colac
A head-to-head comparison of two secondary schools in Victoria, 131 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Marian College
Ararat · Catholic high school · 7-12
369 students · ICSEA 1017
Trinity College Colac
Colac · Catholic high school · 7-12
744 students · ICSEA 1015
| Measure | Marian College Ararat VIC | Trinity College Colac Colac VIC |
|---|---|---|
| Success Index | 54 Top 50% | 57 Top 50% |
| State rank (type) | #190 of 348 | #172 of 348 |
| National rank (type) | #646 of 1,472 | #585 of 1,472 |
| Sector | Catholic | Catholic |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 369 | 744 |
| Girls / boys | 194 / 175 | 379 / 365 |
| Foundation intake | – | – |
| Year 7 cohort | 71 | 154 |
| Year 12 cohort | 52 | 88 |
| VCE median study score VCAA, latest year | – | 28 |
| VCE study scores 40+ | – | 4% |
| 5-year enrolment growth | -19% | +2% |
| ICSEA Average 1000 | 1017 | 1015 |
| ICSEA percentile | 55th | 54th |
| Top SEA quarter | 10% | 11% |
| Bottom SEA quarter | 26% | 29% |
| Students per teacher | 10.9 | 10.8 |
| Teaching staff (FTE) | 33.7 | 68.6 |
| Non-teaching staff (FTE) | 21.3 | 38.5 |
| Language background other than English | 2% | 9% |
| Indigenous students | 3% | 2% |
| Suburb | Ararat 3377 | Colac 3250 |
| Council area | Ararat | Colac Otway |
| Remoteness | Inner Regional | Inner Regional |
| Website | www.mcararat.catholic.edu.au | www.tcc.vic.edu.au |
The verdict
- •Trinity College Colac scores higher on the Success Index (56.9 vs 54.4).
- •Marian College has the higher ICSEA (1017 vs 1015), indicating a more advantaged community.
- •Trinity College Colac is the larger school with 744 students compared with 369.
- •Trinity College Colac has grown faster over five years (2% vs -19%).
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 Marian College better than Trinity College Colac?
On the Success Index, Trinity College Colac ranks higher (56.9 vs 54.4 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 Marian College and Trinity College Colac?
About 131 km in a straight line, between Ararat and Colac in Victoria.
Which has the better student-to-teacher ratio?
Marian College has 10.9 students per full-time-equivalent teacher and Trinity College Colac has 10.8.
How do Marian College and Trinity College Colac rank in VIC?
Marian College is 190th of 348 and Trinity College Colac is 172nd of 348 among secondary schools in Victoria on the 2025 Success Index.