Our Lady of The Rosary Primary School vs St Marys South Public School
A head-to-head comparison of two primary schools in New South Wales, 851 m 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 Marys South Public School
St Marys · Government primary · K-6
319 students · ICSEA 945
| Measure | Our Lady of The Rosary Primary School St Marys NSW | St Marys South Public School St Marys NSW |
|---|---|---|
| Success Index | 64 Top 50% | 24 Lower 50% |
| State rank (type) | #503 of 1,619 | #1491 of 1,619 |
| National rank (type) | #1518 of 4,908 | #4539 of 4,908 |
| Sector | Catholic | Government |
| Type | Primary | Primary |
| Year range | K-6 | K-6 |
| Students | 368 | 319 |
| Girls / boys | 201 / 167 | 165 / 154 |
| Foundation intake | 53 | 48 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -3% | -1% |
| ICSEA Average 1000 | 1032 | 945 |
| ICSEA percentile | 61th | 23th |
| Top SEA quarter | 19% | 4% |
| Bottom SEA quarter | 25% | 56% |
| Students per teacher | 13.3 | 16.8 |
| Teaching staff (FTE) | 27.6 | 19.0 |
| Non-teaching staff (FTE) | 5.5 | 2.9 |
| Language background other than English | 63% | 40% |
| Indigenous students | 2% | 8% |
| Suburb | St Marys 2760 | St Marys 2760 |
| Council area | Penrith | Penrith |
| Remoteness | Major Cities | Major Cities |
| Website | www.olorstmarys.catholic.edu.au | stmarysth-p.schools.nsw.gov.au |
The verdict
- •Our Lady of The Rosary Primary School scores higher on the Success Index (64.3 vs 24.4).
- •Our Lady of The Rosary Primary School has the higher ICSEA (1032 vs 945), indicating a more advantaged community.
- •Our Lady of The Rosary Primary School has fewer students per teacher (13.3 vs 16.8).
- •Our Lady of The Rosary Primary School is the larger school with 368 students compared with 319.
- •Our Lady of The Rosary Primary School is a catholic school while St Marys South Public School is a government 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 Our Lady of The Rosary Primary School better than St Marys South Public School?
On the Success Index, Our Lady of The Rosary Primary School ranks higher (64.3 vs 24.4 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 Our Lady of The Rosary Primary School and St Marys South Public School?
About 851 m 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 Marys South Public School has 16.8.
How do Our Lady of The Rosary Primary School and St Marys South Public School rank in NSW?
Our Lady of The Rosary Primary School is 503rd of 1,619 and St Marys South Public School is 1491st of 1,619 among primary schools in New South Wales on the 2025 Success Index.