Georges River College Oatley Senior Campus vs Marist Catholic College Penshurst
A head-to-head comparison of two secondary schools in New South Wales, 1.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Georges River College Oatley Senior Campus
Oatley · Government high school · 11-12
741 students · ICSEA 1022
Marist Catholic College Penshurst
Mortdale · Catholic high school · 7-12
1,343 students · ICSEA 1090
| Measure | Georges River College Oatley Senior Campus Oatley NSW | Marist Catholic College Penshurst Mortdale NSW |
|---|---|---|
| Success Index | 59 Top 50% | 73 Top 25% |
| State rank (type) | #213 of 539 | #69 of 539 |
| National rank (type) | #538 of 1,472 | #197 of 1,472 |
| Sector | Government | Catholic |
| Type | Secondary | Secondary |
| Year range | 11-12 | 7-12 |
| Students | 741 | 1,343 |
| Girls / boys | 397 / 344 | 680 / 663 |
| Foundation intake | – | – |
| Year 7 cohort | – | 238 |
| Year 12 cohort | 350 | 202 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -1% | +34% |
| ICSEA Average 1000 | 1022 | 1090 |
| ICSEA percentile | 56th | 81th |
| Top SEA quarter | 16% | 34% |
| Bottom SEA quarter | 29% | 7% |
| Students per teacher | 11.1 | 13.9 |
| Teaching staff (FTE) | 66.7 | 96.4 |
| Non-teaching staff (FTE) | 15.1 | 25.7 |
| Language background other than English | 72% | 70% |
| Indigenous students | 1% | 2% |
| Suburb | Oatley 2223 | Mortdale 2223 |
| Council area | Georges River | Georges River |
| Remoteness | Major Cities | Major Cities |
| Website | oatleysnr-h.schools.nsw.gov.au/ | maristpenshurst.syd.catholic.edu.au |
The verdict
- •Marist Catholic College Penshurst scores higher on the Success Index (73.4 vs 59.0).
- •Marist Catholic College Penshurst has the higher ICSEA (1090 vs 1022), indicating a more advantaged community.
- •Georges River College Oatley Senior Campus has fewer students per teacher (11.1 vs 13.9).
- •Marist Catholic College Penshurst is the larger school with 1,343 students compared with 741.
- •Marist Catholic College Penshurst has grown faster over five years (34% vs -1%).
- •Georges River College Oatley Senior Campus is a government school while Marist Catholic College Penshurst 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 Georges River College Oatley Senior Campus better than Marist Catholic College Penshurst?
On the Success Index, Marist Catholic College Penshurst ranks higher (73.4 vs 59.0 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 Georges River College Oatley Senior Campus and Marist Catholic College Penshurst?
About 1.1 km in a straight line, between Oatley and Mortdale in New South Wales.
Which has the better student-to-teacher ratio?
Georges River College Oatley Senior Campus has 11.1 students per full-time-equivalent teacher and Marist Catholic College Penshurst has 13.9.
How do Georges River College Oatley Senior Campus and Marist Catholic College Penshurst rank in NSW?
Georges River College Oatley Senior Campus is 213th of 539 and Marist Catholic College Penshurst is 69th of 539 among secondary schools in New South Wales on the 2025 Success Index.