Dianella Secondary College vs St Gerard's Catholic Primary School
A head-to-head comparison of two schools in Western Australia, 976 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Dianella Secondary College
Dianella · Government high school · 7-12
575 students · ICSEA 945
St Gerard's Catholic Primary School
Westminster · Catholic primary · PP-6
176 students · ICSEA 1015
| Measure | Dianella Secondary College Dianella WA | St Gerard's Catholic Primary School Westminster WA |
|---|---|---|
| Success Index | 31 Lower 50% | 48 Lower 50% |
| State rank (type) | #101 of 140 | #312 of 583 |
| National rank (type) | #1152 of 1,472 | #2830 of 4,908 |
| Sector | Government | Catholic |
| Type | Secondary | Primary |
| Year range | 7-12 | PP-6 |
| Students | 575 | 176 |
| Girls / boys | 273 / 302 | 74 / 102 |
| Foundation intake | – | 25 |
| Year 7 cohort | 135 | – |
| Year 12 cohort | 67 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +5% | -1% |
| ICSEA Average 1000 | 945 | 1015 |
| ICSEA percentile | 23th | 54th |
| Top SEA quarter | 6% | 9% |
| Bottom SEA quarter | 54% | 28% |
| Students per teacher | 13.8 | 15.7 |
| Teaching staff (FTE) | 41.7 | 11.2 |
| Non-teaching staff (FTE) | 24.1 | 7.7 |
| Language background other than English | 72% | 82% |
| Indigenous students | 6% | 1% |
| Suburb | Dianella 6059 | Westminster 6061 |
| Council area | Stirling | Stirling |
| Remoteness | Major Cities | Major Cities |
| Website | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=4036 | www.stgerards.wa.edu.au |
The verdict
- •St Gerard's Catholic Primary School scores higher on the Success Index (48.2 vs 31.2).
- •St Gerard's Catholic Primary School has the higher ICSEA (1015 vs 945), indicating a more advantaged community.
- •Dianella Secondary College has fewer students per teacher (13.8 vs 15.7).
- •Dianella Secondary College is the larger school with 575 students compared with 176.
- •Dianella Secondary College has grown faster over five years (5% vs -1%).
- •Dianella Secondary College is a government school while St Gerard's Catholic Primary School is a catholic 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 Dianella Secondary College better than St Gerard's Catholic Primary School?
On the Success Index, St Gerard's Catholic Primary School ranks higher (48.2 vs 31.2 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 Dianella Secondary College and St Gerard's Catholic Primary School?
About 976 m in a straight line, between Dianella and Westminster in Western Australia.
Which has the better student-to-teacher ratio?
Dianella Secondary College has 13.8 students per full-time-equivalent teacher and St Gerard's Catholic Primary School has 15.7.
How do Dianella Secondary College and St Gerard's Catholic Primary School rank in WA?
Dianella Secondary College is 101st of 140 and St Gerard's Catholic Primary School is 312th of 583 among secondary schools in Western Australia on the 2025 Success Index.