Harrisdale Primary School vs Piara Waters Senior High School
A head-to-head comparison of two schools in Western Australia, 2.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Harrisdale Primary School
Harrisdale · Government primary · K-6
1,028 students · ICSEA 1092
Piara Waters Senior High School
Piara Waters · Government high school · 7-9
558 students · ICSEA 1065
| Measure | Harrisdale Primary School Harrisdale WA | Piara Waters Senior High School Piara Waters WA |
|---|---|---|
| Success Index | 64 Top 50% | 64 Top 50% |
| State rank (type) | #154 of 583 | #29 of 140 |
| National rank (type) | #1599 of 4,908 | #430 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | K-6 | 7-9 |
| Students | 1,028 | 558 |
| Girls / boys | 497 / 531 | 303 / 255 |
| Foundation intake | 98 | – |
| Year 7 cohort | – | 223 |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -27% | – |
| ICSEA Average 1000 | 1092 | 1065 |
| ICSEA percentile | 82th | 74th |
| Top SEA quarter | 36% | 25% |
| Bottom SEA quarter | 8% | 14% |
| Students per teacher | 17.8 | 17.1 |
| Teaching staff (FTE) | 55.9 | 32.7 |
| Non-teaching staff (FTE) | 33.1 | 15.1 |
| Language background other than English | 77% | 54% |
| Indigenous students | 1% | 1% |
| Suburb | Harrisdale 6112 | Piara Waters 6112 |
| Council area | Armadale | Armadale |
| Remoteness | Major Cities | Major Cities |
| Website | www.harrisdaleps.wa.edu.au/ | www.piarawatersshs.wa.edu.au/ |
The verdict
- •Both schools have almost identical Success Index scores (63.5 vs 63.5).
- •Harrisdale Primary School has the higher ICSEA (1092 vs 1065), indicating a more advantaged community.
- •Piara Waters Senior High School has fewer students per teacher (17.1 vs 17.8).
- •Harrisdale Primary School is the larger school with 1,028 students compared with 558.
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 Harrisdale Primary School better than Piara Waters Senior High 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 Harrisdale Primary School and Piara Waters Senior High School?
About 2.6 km in a straight line, between Harrisdale and Piara Waters in Western Australia.
Which has the better student-to-teacher ratio?
Harrisdale Primary School has 17.8 students per full-time-equivalent teacher and Piara Waters Senior High School has 17.1.
How do Harrisdale Primary School and Piara Waters Senior High School rank in WA?
Harrisdale Primary School is 154th of 583 and Piara Waters Senior High School is 29th of 140 among primary schools in Western Australia on the 2025 Success Index.