Dianella Secondary College vs Our Lady of Lourdes School
A head-to-head comparison of two schools in Western Australia, 1.2 km 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
Our Lady of Lourdes School
Nollamara · Catholic primary · PP-6
192 students · ICSEA 1071
| Measure | Dianella Secondary College Dianella WA | Our Lady of Lourdes School Nollamara WA |
|---|---|---|
| Success Index | 31 Lower 50% | 66 Top 25% |
| State rank (type) | #101 of 140 | #125 of 583 |
| National rank (type) | #1152 of 1,472 | #1377 of 4,908 |
| Sector | Government | Catholic |
| Type | Secondary | Primary |
| Year range | 7-12 | PP-6 |
| Students | 575 | 192 |
| Girls / boys | 273 / 302 | 103 / 89 |
| Foundation intake | – | 29 |
| Year 7 cohort | 135 | – |
| Year 12 cohort | 67 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +5% | +2% |
| ICSEA Average 1000 | 945 | 1071 |
| ICSEA percentile | 23th | 76th |
| Top SEA quarter | 6% | 25% |
| Bottom SEA quarter | 54% | 10% |
| Students per teacher | 13.8 | 15.4 |
| Teaching staff (FTE) | 41.7 | 12.5 |
| Non-teaching staff (FTE) | 24.1 | 7.2 |
| Language background other than English | 72% | 61% |
| Indigenous students | 6% | 2% |
| Suburb | Dianella 6059 | Nollamara 6061 |
| Council area | Stirling | Stirling |
| Remoteness | Major Cities | Major Cities |
| Website | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=4036 | www.ololnoll.wa.edu.au |
The verdict
- •Our Lady of Lourdes School scores higher on the Success Index (66.0 vs 31.2).
- •Our Lady of Lourdes School has the higher ICSEA (1071 vs 945), indicating a more advantaged community.
- •Dianella Secondary College has fewer students per teacher (13.8 vs 15.4).
- •Dianella Secondary College is the larger school with 575 students compared with 192.
- •Dianella Secondary College is a government school while Our Lady of Lourdes 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 Our Lady of Lourdes School?
On the Success Index, Our Lady of Lourdes School ranks higher (66.0 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 Our Lady of Lourdes School?
About 1.2 km in a straight line, between Dianella and Nollamara in Western Australia.
Which has the better student-to-teacher ratio?
Dianella Secondary College has 13.8 students per full-time-equivalent teacher and Our Lady of Lourdes School has 15.4.
How do Dianella Secondary College and Our Lady of Lourdes School rank in WA?
Dianella Secondary College is 101st of 140 and Our Lady of Lourdes School is 125th of 583 among secondary schools in Western Australia on the 2025 Success Index.