Helena College vs Treetops Montessori School
A head-to-head comparison of two combined schools in Western Australia, 2.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Helena College
Glen Forrest · Independent combined · PP-12
740 students · ICSEA 1114
Treetops Montessori School
Darlington · Independent combined · PP-12
153 students · ICSEA 1083
| Measure | Helena College Glen Forrest WA | Treetops Montessori School Darlington WA |
|---|---|---|
| Success Index | 67 Top 25% | 67 Top 25% |
| State rank (type) | #29 of 172 | #30 of 172 |
| National rank (type) | #325 of 1,259 | #332 of 1,259 |
| Sector | Independent | Independent |
| Type | Combined | Combined |
| Year range | PP-12 | PP-12 |
| Students | 740 | 153 |
| Girls / boys | 396 / 344 | 72 / 81 |
| Foundation intake | 26 | 10 |
| Year 7 cohort | 93 | 19 |
| Year 12 cohort | 51 | 3 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +4% | +44% |
| ICSEA Average 1000 | 1114 | 1083 |
| ICSEA percentile | 88th | 80th |
| Top SEA quarter | 44% | 32% |
| Bottom SEA quarter | 5% | 10% |
| Students per teacher | 10.7 | 9.8 |
| Teaching staff (FTE) | 68.9 | 15.6 |
| Non-teaching staff (FTE) | 46.9 | 13.1 |
| Language background other than English | 8% | 8% |
| Indigenous students | 1% | 1% |
| Suburb | Glen Forrest 6071 | Darlington 6070 |
| Council area | Mundaring | Mundaring |
| Remoteness | Major Cities | Major Cities |
| Website | www.helena.wa.edu.au | www.treetops.wa.edu.au |
The verdict
- •Both schools have almost identical Success Index scores (67.0 vs 66.7).
- •Helena College has the higher ICSEA (1114 vs 1083), indicating a more advantaged community.
- •Treetops Montessori School has fewer students per teacher (9.8 vs 10.7).
- •Helena College is the larger school with 740 students compared with 153.
- •Treetops Montessori School has grown faster over five years (44% vs 4%).
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 Helena College better than Treetops Montessori School?
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 Helena College and Treetops Montessori School?
About 2.2 km in a straight line, between Glen Forrest and Darlington in Western Australia.
Which has the better student-to-teacher ratio?
Helena College has 10.7 students per full-time-equivalent teacher and Treetops Montessori School has 9.8.
How do Helena College and Treetops Montessori School rank in WA?
Helena College is 29th of 172 and Treetops Montessori School is 30th of 172 among combined schools in Western Australia on the 2025 Success Index.