Halidon Primary School vs The Montessori School
A head-to-head comparison of two schools in Western Australia, 743 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Halidon Primary School
Kingsley · Government primary · K-6
190 students · ICSEA 1058
The Montessori School
Kingsley · Independent combined · PP-12
166 students · ICSEA 1120
| Measure | Halidon Primary School Kingsley WA | The Montessori School Kingsley WA |
|---|---|---|
| Success Index | 60 Top 50% | 76 Top 25% |
| State rank (type) | #199 of 583 | #15 of 172 |
| National rank (type) | #1965 of 4,908 | #169 of 1,259 |
| Sector | Government | Independent |
| Type | Primary | Combined |
| Year range | K-6 | PP-12 |
| Students | 190 | 166 |
| Girls / boys | 86 / 104 | 81 / 85 |
| Foundation intake | 23 | 18 |
| Year 7 cohort | – | 10 |
| Year 12 cohort | – | 3 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -25% | +28% |
| ICSEA Average 1000 | 1058 | 1120 |
| ICSEA percentile | 71th | 89th |
| Top SEA quarter | 23% | 48% |
| Bottom SEA quarter | 13% | 5% |
| Students per teacher | 15.0 | 9.2 |
| Teaching staff (FTE) | 12.2 | 18.0 |
| Non-teaching staff (FTE) | 8.0 | 12.6 |
| Language background other than English | 15% | 42% |
| Indigenous students | 2% | 1% |
| Suburb | Kingsley 6026 | Kingsley 6026 |
| Council area | Joondalup | Joondalup |
| Remoteness | Major Cities | Major Cities |
| Website | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=5678 | www.themontessorischool.wa.edu.au |
The verdict
- •The Montessori School scores higher on the Success Index (76.0 vs 59.5).
- •The Montessori School has the higher ICSEA (1120 vs 1058), indicating a more advantaged community.
- •The Montessori School has fewer students per teacher (9.2 vs 15.0).
- •Halidon Primary School is the larger school with 190 students compared with 166.
- •The Montessori School has grown faster over five years (28% vs -25%).
- •Halidon Primary School is a government school while The Montessori School is an independent 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.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Landsdale
Frequently asked questions
Is Halidon Primary School better than The Montessori School?
On the Success Index, The Montessori School ranks higher (76.0 vs 59.5 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 Halidon Primary School and The Montessori School?
About 743 m in a straight line, between Kingsley and Kingsley in Western Australia.
Which has the better student-to-teacher ratio?
Halidon Primary School has 15.0 students per full-time-equivalent teacher and The Montessori School has 9.2.
How do Halidon Primary School and The Montessori School rank in WA?
Halidon Primary School is 199th of 583 and The Montessori School is 15th of 172 among primary schools in Western Australia on the 2025 Success Index.