Our Lady of Lourdes Primary School vs St Mary of the Cross School
A head-to-head comparison of two primary schools in Queensland, 17 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Our Lady of Lourdes Primary School
Sunnybank · Catholic primary · Prep-6
560 students · ICSEA 1099
St Mary of the Cross School
Windsor · Catholic primary · Prep-6
56 students · ICSEA 1100
| Measure | Our Lady of Lourdes Primary School Sunnybank QLD | St Mary of the Cross School Windsor QLD |
|---|---|---|
| Success Index | 65 Top 50% | 74 Top 25% |
| State rank (type) | #144 of 804 | – |
| National rank (type) | #1465 of 4,908 | – |
| Sector | Catholic | Catholic |
| Type | Primary | Primary |
| Year range | Prep-6 | Prep-6 |
| Students | 560 | 56 |
| Girls / boys | 298 / 262 | 32 / 24 |
| Foundation intake | 84 | 7 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -2% | -38% |
| ICSEA Average 1000 | 1099 | 1100 |
| ICSEA percentile | 84th | 84th |
| Top SEA quarter | 37% | 42% |
| Bottom SEA quarter | 4% | 3% |
| Students per teacher | 18.2 | 6.4 |
| Teaching staff (FTE) | 30.8 | 8.8 |
| Non-teaching staff (FTE) | 15.6 | 4.9 |
| Language background other than English | 50% | 52% |
| Indigenous students | 1% | 5% |
| Suburb | Sunnybank 4109 | Windsor 4030 |
| Council area | Brisbane | Brisbane |
| Remoteness | Major Cities | Major Cities |
| Website | www.ololbhills.catholic.edu.au/ | www.stmaryofthecross.qld.edu.au |
The verdict
- •St Mary of the Cross School scores higher on the Success Index (74.0 vs 64.9).
- •St Mary of the Cross School has the higher ICSEA (1100 vs 1099), indicating a more advantaged community.
- •St Mary of the Cross School has fewer students per teacher (6.4 vs 18.2).
- •Our Lady of Lourdes Primary School is the larger school with 560 students compared with 56.
- •Our Lady of Lourdes Primary School has grown faster over five years (-2% vs -38%).
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 Lourdes Primary School better than St Mary of the Cross School?
On the Success Index, St Mary of the Cross School ranks higher (74.0 vs 64.9 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 Lourdes Primary School and St Mary of the Cross School?
About 17 km in a straight line, between Sunnybank and Windsor in Queensland.
Which has the better student-to-teacher ratio?
Our Lady of Lourdes Primary School has 18.2 students per full-time-equivalent teacher and St Mary of the Cross School has 6.4.
How do Our Lady of Lourdes Primary School and St Mary of the Cross School rank in QLD?
Our Lady of Lourdes Primary School is 144th of 804 and St Mary of the Cross School is unranked among primary schools in Queensland on the 2025 Success Index.