Byford Secondary College vs Dalyellup College
A head-to-head comparison of two secondary schools in Western Australia, 136 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Byford Secondary College
Byford · Government high school · 7-12
1,419 students · ICSEA 971
Dalyellup College
Dalyellup · Government high school · 7-12
576 students · ICSEA 970
| Measure | Byford Secondary College Byford WA | Dalyellup College Dalyellup WA |
|---|---|---|
| Success Index | 30 Lower 50% | 28 Lower 50% |
| State rank (type) | #107 of 140 | #111 of 140 |
| National rank (type) | #1175 of 1,472 | #1224 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 1,419 | 576 |
| Girls / boys | 687 / 732 | 278 / 298 |
| Foundation intake | – | – |
| Year 7 cohort | 268 | 120 |
| Year 12 cohort | 174 | 62 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -2% | -24% |
| ICSEA Average 1000 | 971 | 970 |
| ICSEA percentile | 34th | 33th |
| Top SEA quarter | 5% | 6% |
| Bottom SEA quarter | 44% | 44% |
| Students per teacher | 13.8 | 13.5 |
| Teaching staff (FTE) | 102.8 | 42.5 |
| Non-teaching staff (FTE) | 74.8 | 27.1 |
| Language background other than English | 18% | 12% |
| Indigenous students | 9% | 7% |
| Suburb | Byford 6122 | Dalyellup 6230 |
| Council area | Serpentine-Jarrahdale | Capel |
| Remoteness | Major Cities | Inner Regional |
| Website | www.byfordsc.wa.edu.au | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=4183 |
The verdict
- •Byford Secondary College scores higher on the Success Index (30.2 vs 28.3).
- •Byford Secondary College has the higher ICSEA (971 vs 970), indicating a more advantaged community.
- •Byford Secondary College is the larger school with 1,419 students compared with 576.
- •Byford Secondary College has grown faster over five years (-2% vs -24%).
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 Byford Secondary College better than Dalyellup College?
On the Success Index, Byford Secondary College ranks higher (30.2 vs 28.3 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 Byford Secondary College and Dalyellup College?
About 136 km in a straight line, between Byford and Dalyellup in Western Australia.
Which has the better student-to-teacher ratio?
Byford Secondary College has 13.8 students per full-time-equivalent teacher and Dalyellup College has 13.5.
How do Byford Secondary College and Dalyellup College rank in WA?
Byford Secondary College is 107th of 140 and Dalyellup College is 111th of 140 among secondary schools in Western Australia on the 2025 Success Index.