Casa Mia Montessori Community School vs St Michael's School
A head-to-head comparison of two primary schools in Western Australia, 333 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Casa Mia Montessori Community School
Bassendean · Independent primary · PP-6
53 students · ICSEA 1094
St Michael's School
Bassendean · Catholic primary · PP-6
208 students · ICSEA 1109
| Measure | Casa Mia Montessori Community School Bassendean WA | St Michael's School Bassendean WA |
|---|---|---|
| Success Index | 73 Top 25% | 70 Top 25% |
| State rank (type) | – | #88 of 583 |
| National rank (type) | – | #1008 of 4,908 |
| Sector | Independent | Catholic |
| Type | Primary | Primary |
| Year range | PP-6 | PP-6 |
| Students | 53 | 208 |
| Girls / boys | 33 / 20 | 99 / 109 |
| Foundation intake | 10 | 30 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +89% | +0% |
| ICSEA Average 1000 | 1094 | 1109 |
| ICSEA percentile | 83th | 87th |
| Top SEA quarter | 37% | 46% |
| Bottom SEA quarter | 9% | 7% |
| Students per teacher | 5.2 | 18.2 |
| Teaching staff (FTE) | 10.1 | 11.4 |
| Non-teaching staff (FTE) | 1.0 | 7.8 |
| Language background other than English | 39% | 17% |
| Indigenous students | 4% | 2% |
| Suburb | Bassendean 6054 | Bassendean 6054 |
| Council area | Bassendean | Bassendean |
| Remoteness | Major Cities | Major Cities |
| Website | www.casamiamontessori.wa.edu.au/ | www.stmichaelsbass.wa.edu.au/ |
The verdict
- •Casa Mia Montessori Community School scores higher on the Success Index (72.5 vs 70.1).
- •St Michael's School has the higher ICSEA (1109 vs 1094), indicating a more advantaged community.
- •Casa Mia Montessori Community School has fewer students per teacher (5.2 vs 18.2).
- •St Michael's School is the larger school with 208 students compared with 53.
- •Casa Mia Montessori Community School has grown faster over five years (89% vs 0%).
- •Casa Mia Montessori Community School is a independent school while St Michael's 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 Casa Mia Montessori Community School better than St Michael's School?
On the Success Index, Casa Mia Montessori Community School ranks higher (72.5 vs 70.1 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 Casa Mia Montessori Community School and St Michael's School?
About 333 m in a straight line, between Bassendean and Bassendean in Western Australia.
Which has the better student-to-teacher ratio?
Casa Mia Montessori Community School has 5.2 students per full-time-equivalent teacher and St Michael's School has 18.2.
How do Casa Mia Montessori Community School and St Michael's School rank in WA?
Casa Mia Montessori Community School is unranked and St Michael's School is 88th of 583 among primary schools in Western Australia on the 2025 Success Index.