O'Connor Primary School vs St Joseph's School
A head-to-head comparison of two primary schools in Western Australia, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
O'Connor Primary School
Kalgoorlie · Government primary · K-6
761 students · ICSEA 922
St Joseph's School
Boulder · Catholic primary · PP-6
193 students · ICSEA 994
| Measure | O'Connor Primary School Kalgoorlie WA | St Joseph's School Boulder WA |
|---|---|---|
| Success Index | 26 Lower 50% | 49 Top 50% |
| State rank (type) | #505 of 583 | #304 of 583 |
| National rank (type) | #4427 of 4,908 | #2747 of 4,908 |
| Sector | Government | Catholic |
| Type | Primary | Primary |
| Year range | K-6 | PP-6 |
| Students | 761 | 193 |
| Girls / boys | 379 / 382 | 105 / 88 |
| Foundation intake | 80 | 33 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +8% | +14% |
| ICSEA Average 1000 | 922 | 994 |
| ICSEA percentile | 16th | 44th |
| Top SEA quarter | 5% | 8% |
| Bottom SEA quarter | 54% | 32% |
| Students per teacher | 14.9 | 13.6 |
| Teaching staff (FTE) | 48.9 | 14.2 |
| Non-teaching staff (FTE) | 32.2 | 17.5 |
| Language background other than English | 29% | 34% |
| Indigenous students | 22% | 5% |
| Suburb | Kalgoorlie 6430 | Boulder 6432 |
| Council area | Kalgoorlie-Boulder | Kalgoorlie-Boulder |
| Remoteness | Outer Regional | Outer Regional |
| Website | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=5743 | www.stjosephsboulder.wa.edu.au |
The verdict
- •St Joseph's School scores higher on the Success Index (49.3 vs 26.1).
- •St Joseph's School has the higher ICSEA (994 vs 922), indicating a more advantaged community.
- •St Joseph's School has fewer students per teacher (13.6 vs 14.9).
- •O'Connor Primary School is the larger school with 761 students compared with 193.
- •St Joseph's School has grown faster over five years (14% vs 8%).
- •O'Connor Primary School is a government school while St Joseph's School 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 O'Connor Primary School better than St Joseph's School?
On the Success Index, St Joseph's School ranks higher (49.3 vs 26.1 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 O'Connor Primary School and St Joseph's School?
About 1.3 km in a straight line, between Kalgoorlie and Boulder in Western Australia.
Which has the better student-to-teacher ratio?
O'Connor Primary School has 14.9 students per full-time-equivalent teacher and St Joseph's School has 13.6.
How do O'Connor Primary School and St Joseph's School rank in WA?
O'Connor Primary School is 505th of 583 and St Joseph's School is 304th of 583 among primary schools in Western Australia on the 2025 Success Index.