Our Lady's Assumption School vs Sutherland Dianella Primary School
A head-to-head comparison of two primary schools in Western Australia, 847 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Our Lady's Assumption School
Dianella · Catholic primary · PP-6
371 students · ICSEA 1094
Sutherland Dianella Primary School
Dianella · Government primary · K-6
363 students · ICSEA 1083
| Measure | Our Lady's Assumption School Dianella WA | Sutherland Dianella Primary School Dianella WA |
|---|---|---|
| Success Index | 71 Top 25% | 68 Top 25% |
| State rank (type) | #75 of 583 | #105 of 583 |
| National rank (type) | #912 of 4,908 | #1200 of 4,908 |
| Sector | Catholic | Government |
| Type | Primary | Primary |
| Year range | PP-6 | K-6 |
| Students | 371 | 363 |
| Girls / boys | 188 / 183 | 168 / 195 |
| Foundation intake | 59 | 45 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +3% | +3% |
| ICSEA Average 1000 | 1094 | 1083 |
| ICSEA percentile | 82th | 80th |
| Top SEA quarter | 36% | 35% |
| Bottom SEA quarter | 7% | 11% |
| Students per teacher | 15.5 | 16.0 |
| Teaching staff (FTE) | 24.0 | 21.6 |
| Non-teaching staff (FTE) | 16.7 | 11.1 |
| Language background other than English | 40% | 44% |
| Indigenous students | 1% | 2% |
| Suburb | Dianella 6059 | Dianella 6059 |
| Council area | Stirling | Stirling |
| Remoteness | Major Cities | Major Cities |
| Website | www.ola.wa.edu.au | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=5143 |
The verdict
- •Our Lady's Assumption School scores higher on the Success Index (71.1 vs 68.1).
- •Our Lady's Assumption School has the higher ICSEA (1094 vs 1083), indicating a more advantaged community.
- •Our Lady's Assumption School has fewer students per teacher (15.5 vs 16.0).
- •Our Lady's Assumption School is the larger school with 371 students compared with 363.
- •Our Lady's Assumption School is a catholic school while Sutherland Dianella Primary 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 Our Lady's Assumption School better than Sutherland Dianella Primary School?
On the Success Index, Our Lady's Assumption School ranks higher (71.1 vs 68.1 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 Our Lady's Assumption School and Sutherland Dianella Primary School?
About 847 m in a straight line, between Dianella and Dianella in Western Australia.
Which has the better student-to-teacher ratio?
Our Lady's Assumption School has 15.5 students per full-time-equivalent teacher and Sutherland Dianella Primary School has 16.0.
How do Our Lady's Assumption School and Sutherland Dianella Primary School rank in WA?
Our Lady's Assumption School is 75th of 583 and Sutherland Dianella Primary School is 105th of 583 among primary schools in Western Australia on the 2025 Success Index.