Kolbe Catholic College vs Rockingham Montessori School
A head-to-head comparison of two schools in Western Australia, 1.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Kolbe Catholic College
Rockingham · Catholic high school · 7-12
1,270 students · ICSEA 1046
Rockingham Montessori School
Rockingham · Independent combined · PP-12
272 students · ICSEA 1033
| Measure | Kolbe Catholic College Rockingham WA | Rockingham Montessori School Rockingham WA |
|---|---|---|
| Success Index | 58 Top 50% | 44 Lower 50% |
| State rank (type) | #38 of 140 | #94 of 172 |
| National rank (type) | #554 of 1,472 | #782 of 1,259 |
| Sector | Catholic | Independent |
| Type | Secondary | Combined |
| Year range | 7-12 | PP-12 |
| Students | 1,270 | 272 |
| Girls / boys | 629 / 641 | 139 / 133 |
| Foundation intake | – | 29 |
| Year 7 cohort | 224 | 25 |
| Year 12 cohort | 184 | 11 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +10% | +14% |
| ICSEA Average 1000 | 1046 | 1033 |
| ICSEA percentile | 67th | 61th |
| Top SEA quarter | 19% | 16% |
| Bottom SEA quarter | 16% | 23% |
| Students per teacher | 13.9 | 10.5 |
| Teaching staff (FTE) | 91.6 | 25.9 |
| Non-teaching staff (FTE) | 37.7 | 24.5 |
| Language background other than English | 16% | 15% |
| Indigenous students | 4% | 3% |
| Suburb | Rockingham 6168 | Rockingham 6168 |
| Council area | Rockingham | Rockingham |
| Remoteness | Major Cities | Major Cities |
| Website | www.kolbe.wa.edu.au/ | www.rms.wa.edu.au |
The verdict
- •Kolbe Catholic College scores higher on the Success Index (58.3 vs 44.3).
- •Kolbe Catholic College has the higher ICSEA (1046 vs 1033), indicating a more advantaged community.
- •Rockingham Montessori School has fewer students per teacher (10.5 vs 13.9).
- •Kolbe Catholic College is the larger school with 1,270 students compared with 272.
- •Kolbe Catholic College is a catholic school while Rockingham Montessori School is an independent 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 Kolbe Catholic College better than Rockingham Montessori School?
On the Success Index, Kolbe Catholic College ranks higher (58.3 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 Kolbe Catholic College and Rockingham Montessori School?
About 1.6 km in a straight line, between Rockingham and Rockingham in Western Australia.
Which has the better student-to-teacher ratio?
Kolbe Catholic College has 13.9 students per full-time-equivalent teacher and Rockingham Montessori School has 10.5.
How do Kolbe Catholic College and Rockingham Montessori School rank in WA?
Kolbe Catholic College is 38th of 140 and Rockingham Montessori School is 94th of 172 among secondary schools in Western Australia on the 2025 Success Index.