Our Lady of The Rosary Primary School vs St Mary's Flexible School
A head-to-head comparison of two schools in New South Wales, 1.5 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Our Lady of The Rosary Primary School
St Marys · Catholic primary · K-6
368 students · ICSEA 1032
St Mary's Flexible School
St Marys · Independent special · 7-10
80 students · ICSEA 832
| Measure | Our Lady of The Rosary Primary School St Marys NSW | St Mary's Flexible School St Marys NSW |
|---|---|---|
| Success Index | 64 Top 50% | – Not rated |
| State rank (type) | #503 of 1,619 | – |
| National rank (type) | #1518 of 4,908 | – |
| Sector | Catholic | Independent |
| Type | Primary | Special |
| Year range | K-6 | 7-10 |
| Students | 368 | 80 |
| Girls / boys | 201 / 167 | 46 / 34 |
| Foundation intake | 53 | – |
| Year 7 cohort | – | 6 |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -3% | -5% |
| ICSEA Average 1000 | 1032 | 832 |
| ICSEA percentile | 61th | 4th |
| Top SEA quarter | 19% | 3% |
| Bottom SEA quarter | 25% | 74% |
| Students per teacher | 13.3 | 15.4 |
| Teaching staff (FTE) | 27.6 | 5.2 |
| Non-teaching staff (FTE) | 5.5 | 8.6 |
| Language background other than English | 63% | 0% |
| Indigenous students | 2% | 45% |
| Suburb | St Marys 2760 | St Marys 2760 |
| Council area | Penrith | Penrith |
| Remoteness | Major Cities | Major Cities |
| Website | www.olorstmarys.catholic.edu.au | stmarys.flexi.edu.au/ |
The verdict
- •Our Lady of The Rosary Primary School has the higher ICSEA (1032 vs 832), indicating a more advantaged community.
- •Our Lady of The Rosary Primary School has fewer students per teacher (13.3 vs 15.4).
- •Our Lady of The Rosary Primary School is the larger school with 368 students compared with 80.
- •Our Lady of The Rosary Primary School is a catholic school while St Mary's Flexible 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.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Mount Druitt
Frequently asked questions
Is Our Lady of The Rosary Primary School better than St Mary's Flexible School?
The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.
How far apart are Our Lady of The Rosary Primary School and St Mary's Flexible School?
About 1.5 km in a straight line, between St Marys and St Marys in New South Wales.
Which has the better student-to-teacher ratio?
Our Lady of The Rosary Primary School has 13.3 students per full-time-equivalent teacher and St Mary's Flexible School has 15.4.
How do Our Lady of The Rosary Primary School and St Mary's Flexible School rank in NSW?
Our Lady of The Rosary Primary School is 503rd of 1,619 and St Mary's Flexible School is unranked among primary schools in New South Wales on the 2025 Success Index.