Rockingham Montessori School vs Star of the Sea Primary School
A head-to-head comparison of two schools in Western Australia, 1.0 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Rockingham Montessori School
Rockingham · Independent combined · PP-12
272 students · ICSEA 1033
Star of the Sea Primary School
Rockingham · Catholic primary · PP-6
638 students · ICSEA 1041
| Measure | Rockingham Montessori School Rockingham WA | Star of the Sea Primary School Rockingham WA |
|---|---|---|
| Success Index | 44 Lower 50% | 57 Top 50% |
| State rank (type) | #94 of 172 | #226 of 583 |
| National rank (type) | #782 of 1,259 | #2185 of 4,908 |
| Sector | Independent | Catholic |
| Type | Combined | Primary |
| Year range | PP-12 | PP-6 |
| Students | 272 | 638 |
| Girls / boys | 139 / 133 | 319 / 319 |
| Foundation intake | 29 | 89 |
| Year 7 cohort | 25 | – |
| Year 12 cohort | 11 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +14% | +4% |
| ICSEA Average 1000 | 1033 | 1041 |
| ICSEA percentile | 61th | 65th |
| Top SEA quarter | 16% | 18% |
| Bottom SEA quarter | 23% | 19% |
| Students per teacher | 10.5 | 18.7 |
| Teaching staff (FTE) | 25.9 | 34.2 |
| Non-teaching staff (FTE) | 24.5 | 30.2 |
| Language background other than English | 15% | 18% |
| Indigenous students | 3% | 3% |
| Suburb | Rockingham 6168 | Rockingham 6168 |
| Council area | Rockingham | Rockingham |
| Remoteness | Major Cities | Major Cities |
| Website | www.rms.wa.edu.au | www.starofthesea.wa.edu.au |
The verdict
- •Star of the Sea Primary School scores higher on the Success Index (56.8 vs 44.3).
- •Star of the Sea Primary School has the higher ICSEA (1041 vs 1033), indicating a more advantaged community.
- •Rockingham Montessori School has fewer students per teacher (10.5 vs 18.7).
- •Star of the Sea Primary School is the larger school with 638 students compared with 272.
- •Rockingham Montessori School has grown faster over five years (14% vs 4%).
- •Rockingham Montessori School is a independent school while Star of the Sea Primary 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 Rockingham Montessori School better than Star of the Sea Primary School?
On the Success Index, Star of the Sea Primary School ranks higher (56.8 vs 44.3 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 Rockingham Montessori School and Star of the Sea Primary School?
About 1.0 km in a straight line, between Rockingham and Rockingham in Western Australia.
Which has the better student-to-teacher ratio?
Rockingham Montessori School has 10.5 students per full-time-equivalent teacher and Star of the Sea Primary School has 18.7.
How do Rockingham Montessori School and Star of the Sea Primary School rank in WA?
Rockingham Montessori School is 94th of 172 and Star of the Sea Primary School is 226th of 583 among combined schools in Western Australia on the 2025 Success Index.