Perth Montessori School vs Trinity College
A head-to-head comparison of two combined schools in Western Australia, 1.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Perth Montessori School
Burswood · Independent combined · PP-12
92 students · ICSEA 1115
Trinity College
East Perth · Catholic combined · 4-12
1,347 students · ICSEA 1113
| Measure | Perth Montessori School Burswood WA | Trinity College East Perth WA |
|---|---|---|
| Success Index | 72 Top 25% | 71 Top 25% |
| State rank (type) | #21 of 172 | #22 of 172 |
| National rank (type) | #231 of 1,259 | #235 of 1,259 |
| Sector | Independent | Catholic |
| Type | Combined | Combined |
| Year range | PP-12 | 4-12 |
| Students | 92 | 1,347 |
| Girls / boys | 39 / 53 | 0 / 1,347 |
| Foundation intake | 16 | – |
| Year 7 cohort | 7 | 192 |
| Year 12 cohort | 1 | 162 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +21% | +11% |
| ICSEA Average 1000 | 1115 | 1113 |
| ICSEA percentile | 88th | 87th |
| Top SEA quarter | 45% | 46% |
| Bottom SEA quarter | 3% | 5% |
| Students per teacher | 7.2 | 11.3 |
| Teaching staff (FTE) | 12.8 | 119.1 |
| Non-teaching staff (FTE) | 9.2 | 73.3 |
| Language background other than English | 30% | 18% |
| Indigenous students | 2% | 4% |
| Suburb | Burswood 6100 | East Perth 6004 |
| Council area | Victoria Park | Perth |
| Remoteness | Major Cities | Major Cities |
| Website | perthmontessori.com/ | www.trinity.wa.edu.au |
The verdict
- •Both schools have almost identical Success Index scores (71.7 vs 71.4).
- •Perth Montessori School has the higher ICSEA (1115 vs 1113), indicating a more advantaged community.
- •Perth Montessori School has fewer students per teacher (7.2 vs 11.3).
- •Trinity College is the larger school with 1,347 students compared with 92.
- •Perth Montessori School has grown faster over five years (21% vs 11%).
- •Perth Montessori School is a independent school while Trinity College 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 Perth Montessori School better than Trinity College?
The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.
How far apart are Perth Montessori School and Trinity College?
About 1.6 km in a straight line, between Burswood and East Perth in Western Australia.
Which has the better student-to-teacher ratio?
Perth Montessori School has 7.2 students per full-time-equivalent teacher and Trinity College has 11.3.
How do Perth Montessori School and Trinity College rank in WA?
Perth Montessori School is 21st of 172 and Trinity College is 22nd of 172 among combined schools in Western Australia on the 2025 Success Index.