Coastal Lakes College vs Comet Bay College
A head-to-head comparison of two secondary schools in Western Australia, 5.8 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Coastal Lakes College
Lakelands · Government high school · 7-12
1,145 students · ICSEA 975
Comet Bay College
Secret Harbour · Government high school · 7-12
1,879 students · ICSEA 1004
| Measure | Coastal Lakes College Lakelands WA | Comet Bay College Secret Harbour WA |
|---|---|---|
| Success Index | 40 Lower 50% | 41 Lower 50% |
| State rank (type) | #82 of 140 | #81 of 140 |
| National rank (type) | #948 of 1,472 | #937 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 1,145 | 1,879 |
| Girls / boys | 542 / 603 | 873 / 1,006 |
| Foundation intake | – | – |
| Year 7 cohort | 175 | 299 |
| Year 12 cohort | 172 | 277 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +148% | +6% |
| ICSEA Average 1000 | 975 | 1004 |
| ICSEA percentile | 35th | 49th |
| Top SEA quarter | 5% | 10% |
| Bottom SEA quarter | 45% | 31% |
| Students per teacher | 13.3 | 15.4 |
| Teaching staff (FTE) | 86.3 | 121.8 |
| Non-teaching staff (FTE) | 68.7 | 62.3 |
| Language background other than English | 10% | 4% |
| Indigenous students | 7% | 6% |
| Suburb | Lakelands 6180 | Secret Harbour 6173 |
| Council area | Mandurah | Rockingham |
| Remoteness | Major Cities | Major Cities |
| Website | coastallakescollege.wa.edu.au/ | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=4176 |
The verdict
- •Both schools have almost identical Success Index scores (40.0 vs 40.6).
- •Comet Bay College has the higher ICSEA (1004 vs 975), indicating a more advantaged community.
- •Coastal Lakes College has fewer students per teacher (13.3 vs 15.4).
- •Comet Bay College is the larger school with 1,879 students compared with 1,145.
- •Coastal Lakes College has grown faster over five years (148% vs 6%).
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 Coastal Lakes College better than Comet Bay College?
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 Coastal Lakes College and Comet Bay College?
About 5.8 km in a straight line, between Lakelands and Secret Harbour in Western Australia.
Which has the better student-to-teacher ratio?
Coastal Lakes College has 13.3 students per full-time-equivalent teacher and Comet Bay College has 15.4.
How do Coastal Lakes College and Comet Bay College rank in WA?
Coastal Lakes College is 82nd of 140 and Comet Bay College is 81st of 140 among secondary schools in Western Australia on the 2025 Success Index.