Lake Colac School vs Trinity College Colac
A head-to-head comparison of two schools in Victoria, 2.0 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Lake Colac School
Colac · Government special · U
82 students · ICSEA 933
Trinity College Colac
Colac · Catholic high school · 7-12
744 students · ICSEA 1015
| Measure | Lake Colac School Colac VIC | Trinity College Colac Colac VIC |
|---|---|---|
| Success Index | – Not rated | 57 Top 50% |
| State rank (type) | – | #172 of 348 |
| National rank (type) | – | #585 of 1,472 |
| Sector | Government | Catholic |
| Type | Special | Secondary |
| Year range | U | 7-12 |
| Students | 82 | 744 |
| Girls / boys | 25 / 57 | 379 / 365 |
| Foundation intake | – | – |
| Year 7 cohort | – | 154 |
| Year 12 cohort | – | 88 |
| VCE median study score VCAA, latest year | – | 28 |
| VCE study scores 40+ | – | 4% |
| 5-year enrolment growth | +39% | +2% |
| ICSEA Average 1000 | 933 | 1015 |
| ICSEA percentile | 19th | 54th |
| Top SEA quarter | 1% | 11% |
| Bottom SEA quarter | 59% | 29% |
| Students per teacher | 4.2 | 10.8 |
| Teaching staff (FTE) | 19.0 | 68.6 |
| Non-teaching staff (FTE) | 21.4 | 38.5 |
| Language background other than English | 6% | 9% |
| Indigenous students | 10% | 2% |
| Suburb | Colac 3250 | Colac 3250 |
| Council area | Colac Otway | Colac Otway |
| Remoteness | Inner Regional | Inner Regional |
| Website | lakecolacschool.vic.edu.au/ | www.tcc.vic.edu.au |
The verdict
- •Trinity College Colac has the higher ICSEA (1015 vs 933), indicating a more advantaged community.
- •Lake Colac School has fewer students per teacher (4.2 vs 10.8).
- •Trinity College Colac is the larger school with 744 students compared with 82.
- •Lake Colac School has grown faster over five years (39% vs 2%).
- •Lake Colac School is a government school while Trinity College Colac 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 Lake Colac School better than Trinity College Colac?
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 Lake Colac School and Trinity College Colac?
About 2.0 km in a straight line, between Colac and Colac in Victoria.
Which has the better student-to-teacher ratio?
Lake Colac School has 4.2 students per full-time-equivalent teacher and Trinity College Colac has 10.8.
How do Lake Colac School and Trinity College Colac rank in VIC?
Lake Colac School is unranked and Trinity College Colac is 172nd of 348 among special schools in Victoria on the 2025 Success Index.