Banksia Montessori School vs Our Lady's Assumption School
A head-to-head comparison of two primary schools in Western Australia, 629 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Banksia Montessori School
Dianella · Independent primary · PP
11 students · ICSEA 1102
Our Lady's Assumption School
Dianella · Catholic primary · PP-6
371 students · ICSEA 1094
| Measure | Banksia Montessori School Dianella WA | Our Lady's Assumption School Dianella WA |
|---|---|---|
| Success Index | 81 Top 5% | 71 Top 25% |
| State rank (type) | – | #75 of 583 |
| National rank (type) | – | #912 of 4,908 |
| Sector | Independent | Catholic |
| Type | Primary | Primary |
| Year range | PP | PP-6 |
| Students | 11 | 371 |
| Girls / boys | 4 / 7 | 188 / 183 |
| Foundation intake | 11 | 59 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | – | +3% |
| ICSEA Average 1000 | 1102 | 1094 |
| ICSEA percentile | 85th | 82th |
| Top SEA quarter | 42% | 36% |
| Bottom SEA quarter | 11% | 7% |
| Students per teacher | – | 15.5 |
| Teaching staff (FTE) | 4.0 | 24.0 |
| Non-teaching staff (FTE) | 5.0 | 16.7 |
| Language background other than English | 55% | 40% |
| Indigenous students | 0% | 1% |
| Suburb | Dianella 6059 | Dianella 6059 |
| Council area | Stirling | Stirling |
| Remoteness | Major Cities | Major Cities |
| Website | www.banksia.wa.edu.au | www.ola.wa.edu.au |
The verdict
- •Banksia Montessori School scores higher on the Success Index (81.4 vs 71.1).
- •Banksia Montessori School has the higher ICSEA (1102 vs 1094), indicating a more advantaged community.
- •Our Lady's Assumption School is the larger school with 371 students compared with 11.
- •Banksia Montessori School is a independent school while Our Lady's Assumption 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 Banksia Montessori School better than Our Lady's Assumption School?
On the Success Index, Banksia Montessori School ranks higher (81.4 vs 71.1 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 Banksia Montessori School and Our Lady's Assumption School?
About 629 m in a straight line, between Dianella and Dianella in Western Australia.
Which has the better student-to-teacher ratio?
Staffing data is not available for one of the schools.
How do Banksia Montessori School and Our Lady's Assumption School rank in WA?
Banksia Montessori School is unranked and Our Lady's Assumption School is 75th of 583 among primary schools in Western Australia on the 2025 Success Index.