Silkwood School vs William Duncan State School
A head-to-head comparison of two schools in Queensland, 4.4 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Silkwood School
Mount Nathan · Independent combined · Prep-12
765 students · ICSEA 1073
William Duncan State School
Highland Park · Government primary · Prep-6
580 students · ICSEA 975
| Measure | Silkwood School Mount Nathan QLD | William Duncan State School Highland Park QLD |
|---|---|---|
| Success Index | 62 Top 50% | 41 Lower 50% |
| State rank (type) | #78 of 275 | #453 of 804 |
| National rank (type) | #429 of 1,259 | #3333 of 4,908 |
| Sector | Independent | Government |
| Type | Combined | Primary |
| Year range | Prep-12 | Prep-6 |
| Students | 765 | 580 |
| Girls / boys | 392 / 373 | 276 / 304 |
| Foundation intake | 63 | 73 |
| Year 7 cohort | 66 | – |
| Year 12 cohort | 56 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +16% | -2% |
| ICSEA Average 1000 | 1073 | 975 |
| ICSEA percentile | 76th | 35th |
| Top SEA quarter | 26% | 6% |
| Bottom SEA quarter | 8% | 39% |
| Students per teacher | 12.4 | 13.1 |
| Teaching staff (FTE) | 61.5 | 44.3 |
| Non-teaching staff (FTE) | 49.0 | 17.6 |
| Language background other than English | 9% | 13% |
| Indigenous students | 2% | 11% |
| Suburb | Mount Nathan 4211 | Highland Park 4211 |
| Council area | Gold Coast | Gold Coast |
| Remoteness | Major Cities | Major Cities |
| Website | www.silkwood.qld.edu.au/ | williamduncanss.eq.edu.au |
The verdict
- •Silkwood School scores higher on the Success Index (61.6 vs 41.4).
- •Silkwood School has the higher ICSEA (1073 vs 975), indicating a more advantaged community.
- •Silkwood School has fewer students per teacher (12.4 vs 13.1).
- •Silkwood School is the larger school with 765 students compared with 580.
- •Silkwood School has grown faster over five years (16% vs -2%).
- •Silkwood School is a independent school while William Duncan State School is a government 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 Silkwood School better than William Duncan State School?
On the Success Index, Silkwood School ranks higher (61.6 vs 41.4 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 Silkwood School and William Duncan State School?
About 4.4 km in a straight line, between Mount Nathan and Highland Park in Queensland.
Which has the better student-to-teacher ratio?
Silkwood School has 12.4 students per full-time-equivalent teacher and William Duncan State School has 13.1.
How do Silkwood School and William Duncan State School rank in QLD?
Silkwood School is 78th of 275 and William Duncan State School is 453rd of 804 among combined schools in Queensland on the 2025 Success Index.