Colac Secondary College vs Lake Colac School
A head-to-head comparison of two schools in Victoria, 2.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Colac Secondary College
Colac · Government high school · 7-12
476 students · ICSEA 955
Lake Colac School
Colac · Government special · U
82 students · ICSEA 933
| Measure | Colac Secondary College Colac VIC | Lake Colac School Colac VIC |
|---|---|---|
| Success Index | 44 Lower 50% | – Not rated |
| State rank (type) | #248 of 348 | – |
| National rank (type) | #863 of 1,472 | – |
| Sector | Government | Government |
| Type | Secondary | Special |
| Year range | 7-12 | U |
| Students | 476 | 82 |
| Girls / boys | 225 / 251 | 25 / 57 |
| Foundation intake | – | – |
| Year 7 cohort | 78 | – |
| Year 12 cohort | 51 | – |
| VCE median study score VCAA, latest year | 25 | – |
| VCE study scores 40+ | 2.1% | – |
| 5-year enrolment growth | +3% | +39% |
| ICSEA Average 1000 | 955 | 933 |
| ICSEA percentile | 27th | 19th |
| Top SEA quarter | 3% | 1% |
| Bottom SEA quarter | 54% | 59% |
| Students per teacher | 9.5 | 4.2 |
| Teaching staff (FTE) | 49.6 | 19.0 |
| Non-teaching staff (FTE) | 21.6 | 21.4 |
| Language background other than English | 5% | 6% |
| Indigenous students | 3% | 10% |
| Suburb | Colac 3250 | Colac 3250 |
| Council area | Colac Otway | Colac Otway |
| Remoteness | Inner Regional | Inner Regional |
| Website | www.colac-sc.vic.edu.au | lakecolacschool.vic.edu.au/ |
The verdict
- •Colac Secondary College has the higher ICSEA (955 vs 933), indicating a more advantaged community.
- •Lake Colac School has fewer students per teacher (4.2 vs 9.5).
- •Colac Secondary College is the larger school with 476 students compared with 82.
- •Lake Colac School has grown faster over five years (39% vs 3%).
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 Colac Secondary College better than Lake Colac School?
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 Colac Secondary College and Lake Colac School?
About 2.7 km in a straight line, between Colac and Colac in Victoria.
Which has the better student-to-teacher ratio?
Colac Secondary College has 9.5 students per full-time-equivalent teacher and Lake Colac School has 4.2.
How do Colac Secondary College and Lake Colac School rank in VIC?
Colac Secondary College is 248th of 348 and Lake Colac School is unranked among secondary schools in Victoria on the 2025 Success Index.