Guildford Grammar School vs Margaret River Montessori School - Margaret River campus
A head-to-head comparison of two combined schools in Western Australia, 245 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Guildford Grammar School
Guildford · Independent combined · PP-12
1,225 students · ICSEA 1100
Margaret River Montessori School - Margaret River campus
Margaret River · Independent combined · PP-11
141 students · ICSEA 1094
| Measure | Guildford Grammar School Guildford WA | Margaret River Montessori School - Margaret River campus Margaret River WA |
|---|---|---|
| Success Index | 65 Top 50% | 71 Top 25% |
| State rank (type) | #34 of 172 | #23 of 172 |
| National rank (type) | #375 of 1,259 | #245 of 1,259 |
| Sector | Independent | Independent |
| Type | Combined | Combined |
| Year range | PP-12 | PP-11 |
| Students | 1,225 | 141 |
| Girls / boys | 504 / 721 | 57 / 84 |
| Foundation intake | 45 | 15 |
| Year 7 cohort | 126 | 12 |
| Year 12 cohort | 142 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +15% | +37% |
| ICSEA Average 1000 | 1100 | 1094 |
| ICSEA percentile | 84th | 83th |
| Top SEA quarter | 45% | 43% |
| Bottom SEA quarter | 6% | 7% |
| Students per teacher | 10.6 | 10.9 |
| Teaching staff (FTE) | 116.0 | 12.9 |
| Non-teaching staff (FTE) | 146.1 | 12.0 |
| Language background other than English | 11% | 15% |
| Indigenous students | 7% | 4% |
| Suburb | Guildford 6055 | Margaret River 6285 |
| Council area | Swan | Augusta Margaret River |
| Remoteness | Major Cities | Inner Regional |
| Website | www.ggs.wa.edu.au | www.margmont.wa.edu.au |
The verdict
- •Margaret River Montessori School - Margaret River campus scores higher on the Success Index (70.9 vs 64.7).
- •Guildford Grammar School has the higher ICSEA (1100 vs 1094), indicating a more advantaged community.
- •Guildford Grammar School is the larger school with 1,225 students compared with 141.
- •Margaret River Montessori School - Margaret River campus has grown faster over five years (37% vs 15%).
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 Guildford Grammar School better than Margaret River Montessori School - Margaret River campus?
On the Success Index, Margaret River Montessori School - Margaret River campus ranks higher (70.9 vs 64.7 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 Guildford Grammar School and Margaret River Montessori School - Margaret River campus?
About 245 km in a straight line, between Guildford and Margaret River in Western Australia.
Which has the better student-to-teacher ratio?
Guildford Grammar School has 10.6 students per full-time-equivalent teacher and Margaret River Montessori School - Margaret River campus has 10.9.
How do Guildford Grammar School and Margaret River Montessori School - Margaret River campus rank in WA?
Guildford Grammar School is 34th of 172 and Margaret River Montessori School - Margaret River campus is 23rd of 172 among combined schools in Western Australia on the 2025 Success Index.