Harrisdale Senior High School vs St John Bosco College
A head-to-head comparison of two schools in Western Australia, 1.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Harrisdale Senior High School
Harrisdale · Government high school · 7-12
2,303 students · ICSEA 1072
St John Bosco College
Piara Waters · Catholic combined · PP-12
1,243 students · ICSEA 1063
| Measure | Harrisdale Senior High School Harrisdale WA | St John Bosco College Piara Waters WA |
|---|---|---|
| Success Index | 72 Top 25% | 58 Top 50% |
| State rank (type) | #15 of 140 | #47 of 172 |
| National rank (type) | #226 of 1,472 | #495 of 1,259 |
| Sector | Government | Catholic |
| Type | Secondary | Combined |
| Year range | 7-12 | PP-12 |
| Students | 2,303 | 1,243 |
| Girls / boys | 1,131 / 1,172 | 605 / 638 |
| Foundation intake | – | 60 |
| Year 7 cohort | 406 | 177 |
| Year 12 cohort | 310 | 83 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +83% | +156% |
| ICSEA Average 1000 | 1072 | 1063 |
| ICSEA percentile | 76th | 73th |
| Top SEA quarter | 28% | 23% |
| Bottom SEA quarter | 13% | 13% |
| Students per teacher | 15.2 | 15.5 |
| Teaching staff (FTE) | 151.3 | 80.2 |
| Non-teaching staff (FTE) | 51.2 | 42.5 |
| Language background other than English | 67% | 34% |
| Indigenous students | 1% | 1% |
| Suburb | Harrisdale 6112 | Piara Waters 6112 |
| Council area | Armadale | Armadale |
| Remoteness | Major Cities | Major Cities |
| Website | harrisdaleshs.wa.edu.au/ | web.stjohnbosco.wa.edu.au |
The verdict
- •Harrisdale Senior High School scores higher on the Success Index (72.4 vs 58.1).
- •Harrisdale Senior High School has the higher ICSEA (1072 vs 1063), indicating a more advantaged community.
- •Harrisdale Senior High School is the larger school with 2,303 students compared with 1,243.
- •St John Bosco College has grown faster over five years (156% vs 83%).
- •Harrisdale Senior High School is a government school while St John Bosco College is a catholic 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.
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Frequently asked questions
Is Harrisdale Senior High School better than St John Bosco College?
On the Success Index, Harrisdale Senior High School ranks higher (72.4 vs 58.1 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 Harrisdale Senior High School and St John Bosco College?
About 1.1 km in a straight line, between Harrisdale and Piara Waters in Western Australia.
Which has the better student-to-teacher ratio?
Harrisdale Senior High School has 15.2 students per full-time-equivalent teacher and St John Bosco College has 15.5.
How do Harrisdale Senior High School and St John Bosco College rank in WA?
Harrisdale Senior High School is 15th of 140 and St John Bosco College is 47th of 172 among secondary schools in Western Australia on the 2025 Success Index.