Belridge Secondary College vs Poseidon Primary School
A head-to-head comparison of two schools in Western Australia, 1.5 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Belridge Secondary College
Beldon · Government high school · 7-12
959 students · ICSEA 1010
Poseidon Primary School
Heathridge · Government primary · K-6
267 students · ICSEA 1018
| Measure | Belridge Secondary College Beldon WA | Poseidon Primary School Heathridge WA |
|---|---|---|
| Success Index | 42 Lower 50% | 50 Top 50% |
| State rank (type) | #79 of 140 | #298 of 583 |
| National rank (type) | #900 of 1,472 | #2714 of 4,908 |
| Sector | Government | Government |
| Type | Secondary | Primary |
| Year range | 7-12 | K-6 |
| Students | 959 | 267 |
| Girls / boys | 446 / 513 | 119 / 148 |
| Foundation intake | – | 36 |
| Year 7 cohort | 166 | – |
| Year 12 cohort | 133 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -6% | -1% |
| ICSEA Average 1000 | 1010 | 1018 |
| ICSEA percentile | 51th | 55th |
| Top SEA quarter | 11% | 11% |
| Bottom SEA quarter | 30% | 24% |
| Students per teacher | 13.7 | 14.0 |
| Teaching staff (FTE) | 70.1 | 18.2 |
| Non-teaching staff (FTE) | 23.5 | 7.7 |
| Language background other than English | 13% | 22% |
| Indigenous students | 4% | 5% |
| Suburb | Beldon 6027 | Heathridge 6027 |
| Council area | Joondalup | Joondalup |
| Remoteness | Major Cities | Major Cities |
| Website | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=4153 | www.poseidon.wa.edu.au |
The verdict
- •Poseidon Primary School scores higher on the Success Index (49.7 vs 42.1).
- •Poseidon Primary School has the higher ICSEA (1018 vs 1010), indicating a more advantaged community.
- •Belridge Secondary College is the larger school with 959 students compared with 267.
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 Belridge Secondary College better than Poseidon Primary School?
On the Success Index, Poseidon Primary School ranks higher (49.7 vs 42.1 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 Belridge Secondary College and Poseidon Primary School?
About 1.5 km in a straight line, between Beldon and Heathridge in Western Australia.
Which has the better student-to-teacher ratio?
Belridge Secondary College has 13.7 students per full-time-equivalent teacher and Poseidon Primary School has 14.0.
How do Belridge Secondary College and Poseidon Primary School rank in WA?
Belridge Secondary College is 79th of 140 and Poseidon Primary School is 298th of 583 among secondary schools in Western Australia on the 2025 Success Index.