Coastal Lakes College vs John Tonkin College
A head-to-head comparison of two secondary schools in Western Australia, 5.5 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
John Tonkin College
Mandurah · Government high school · 7-12
799 students · ICSEA 972
| Measure | Coastal Lakes College Lakelands WA | John Tonkin College Mandurah WA |
|---|---|---|
| Success Index | 40 Lower 50% | 32 Lower 50% |
| State rank (type) | #82 of 140 | #95 of 140 |
| National rank (type) | #948 of 1,472 | #1132 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 1,145 | 799 |
| Girls / boys | 542 / 603 | 405 / 394 |
| Foundation intake | – | – |
| Year 7 cohort | 175 | 143 |
| Year 12 cohort | 172 | 90 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +148% | +4% |
| ICSEA Average 1000 | 975 | 972 |
| ICSEA percentile | 35th | 34th |
| Top SEA quarter | 5% | 9% |
| Bottom SEA quarter | 45% | 44% |
| Students per teacher | 13.3 | 16.3 |
| Teaching staff (FTE) | 86.3 | 49.0 |
| Non-teaching staff (FTE) | 68.7 | 38.6 |
| Language background other than English | 10% | 10% |
| Indigenous students | 7% | 10% |
| Suburb | Lakelands 6180 | Mandurah 6210 |
| Council area | Mandurah | Mandurah |
| Remoteness | Major Cities | Major Cities |
| Website | coastallakescollege.wa.edu.au/ | www.johntonkincollege.wa.edu.au |
The verdict
- •Coastal Lakes College scores higher on the Success Index (40.0 vs 32.0).
- •Coastal Lakes College has the higher ICSEA (975 vs 972), indicating a more advantaged community.
- •Coastal Lakes College has fewer students per teacher (13.3 vs 16.3).
- •Coastal Lakes College is the larger school with 1,145 students compared with 799.
- •Coastal Lakes College has grown faster over five years (148% vs 4%).
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 John Tonkin College?
On the Success Index, Coastal Lakes College ranks higher (40.0 vs 32.0 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 Coastal Lakes College and John Tonkin College?
About 5.5 km in a straight line, between Lakelands and Mandurah in Western Australia.
Which has the better student-to-teacher ratio?
Coastal Lakes College has 13.3 students per full-time-equivalent teacher and John Tonkin College has 16.3.
How do Coastal Lakes College and John Tonkin College rank in WA?
Coastal Lakes College is 82nd of 140 and John Tonkin College is 95th of 140 among secondary schools in Western Australia on the 2025 Success Index.