Ocean Reef Senior High School vs Poseidon Primary School
A head-to-head comparison of two schools in Western Australia, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Ocean Reef Senior High School
Ocean Reef · Government high school · 7-12
1,353 students · ICSEA 1055
Poseidon Primary School
Heathridge · Government primary · K-6
267 students · ICSEA 1018
| Measure | Ocean Reef Senior High School Ocean Reef WA | Poseidon Primary School Heathridge WA |
|---|---|---|
| Success Index | 61 Top 50% | 50 Top 50% |
| State rank (type) | #34 of 140 | #298 of 583 |
| National rank (type) | #497 of 1,472 | #2714 of 4,908 |
| Sector | Government | Government |
| Type | Secondary | Primary |
| Year range | 7-12 | K-6 |
| Students | 1,353 | 267 |
| Girls / boys | 637 / 716 | 119 / 148 |
| Foundation intake | – | 36 |
| Year 7 cohort | 215 | – |
| Year 12 cohort | 225 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +10% | -1% |
| ICSEA Average 1000 | 1055 | 1018 |
| ICSEA percentile | 70th | 55th |
| Top SEA quarter | 20% | 11% |
| Bottom SEA quarter | 15% | 24% |
| Students per teacher | 14.5 | 14.0 |
| Teaching staff (FTE) | 93.2 | 18.2 |
| Non-teaching staff (FTE) | 54.2 | 7.7 |
| Language background other than English | 12% | 22% |
| Indigenous students | 1% | 5% |
| Suburb | Ocean Reef 6027 | Heathridge 6027 |
| Council area | Joondalup | Joondalup |
| Remoteness | Major Cities | Major Cities |
| Website | www.oceanreef.wa.edu.au/ | www.poseidon.wa.edu.au |
The verdict
- •Ocean Reef Senior High School scores higher on the Success Index (60.7 vs 49.7).
- •Ocean Reef Senior High School has the higher ICSEA (1055 vs 1018), indicating a more advantaged community.
- •Poseidon Primary School has fewer students per teacher (14.0 vs 14.5).
- •Ocean Reef Senior High School is the larger school with 1,353 students compared with 267.
- •Ocean Reef Senior High School has grown faster over five years (10% vs -1%).
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 Ocean Reef Senior High School better than Poseidon Primary School?
On the Success Index, Ocean Reef Senior High School ranks higher (60.7 vs 49.7 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 Ocean Reef Senior High School and Poseidon Primary School?
About 1.3 km in a straight line, between Ocean Reef and Heathridge in Western Australia.
Which has the better student-to-teacher ratio?
Ocean Reef Senior High School has 14.5 students per full-time-equivalent teacher and Poseidon Primary School has 14.0.
How do Ocean Reef Senior High School and Poseidon Primary School rank in WA?
Ocean Reef Senior High School is 34th of 140 and Poseidon Primary School is 298th of 583 among secondary schools in Western Australia on the 2025 Success Index.