St Augustine's College Sydney vs St Luke's Grammar School
A head-to-head comparison of two combined schools in New South Wales, 1.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
St Augustine's College Sydney
Brookvale · Independent combined · 5-12
1,580 students · ICSEA 1141
St Luke's Grammar School
Dee Why · Independent combined · K-12
1,481 students · ICSEA 1178
| Measure | St Augustine's College Sydney Brookvale NSW | St Luke's Grammar School Dee Why NSW |
|---|---|---|
| Success Index | 77 Top 25% | 85 Top 5% |
| State rank (type) | #57 of 314 | #14 of 314 |
| National rank (type) | #159 of 1,259 | #46 of 1,259 |
| Sector | Independent | Independent |
| Type | Combined | Combined |
| Year range | 5-12 | K-12 |
| Students | 1,580 | 1,481 |
| Girls / boys | 0 / 1,580 | 719 / 762 |
| Foundation intake | – | 73 |
| Year 7 cohort | 230 | 168 |
| Year 12 cohort | 213 | 128 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +11% | +24% |
| ICSEA Average 1000 | 1141 | 1178 |
| ICSEA percentile | 93th | 98th |
| Top SEA quarter | 56% | 71% |
| Bottom SEA quarter | 2% | 1% |
| Students per teacher | 11.4 | 12.1 |
| Teaching staff (FTE) | 139.0 | 122.1 |
| Non-teaching staff (FTE) | 61.7 | 44.8 |
| Language background other than English | 13% | 14% |
| Indigenous students | 1% | 0% |
| Suburb | Brookvale 2100 | Dee Why 2099 |
| Council area | Northern Beaches | Northern Beaches |
| Remoteness | Major Cities | Major Cities |
| Website | www.saintaug.nsw.edu.au | www.stlukes.nsw.edu.au |
The verdict
- •St Luke's Grammar School scores higher on the Success Index (84.6 vs 76.8).
- •St Luke's Grammar School has the higher ICSEA (1178 vs 1141), indicating a more advantaged community.
- •St Augustine's College Sydney has fewer students per teacher (11.4 vs 12.1).
- •St Augustine's College Sydney is the larger school with 1,580 students compared with 1,481.
- •St Luke's Grammar School has grown faster over five years (24% vs 11%).
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 St Augustine's College Sydney better than St Luke's Grammar School?
On the Success Index, St Luke's Grammar School ranks higher (84.6 vs 76.8 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 St Augustine's College Sydney and St Luke's Grammar School?
About 1.1 km in a straight line, between Brookvale and Dee Why in New South Wales.
Which has the better student-to-teacher ratio?
St Augustine's College Sydney has 11.4 students per full-time-equivalent teacher and St Luke's Grammar School has 12.1.
How do St Augustine's College Sydney and St Luke's Grammar School rank in NSW?
St Augustine's College Sydney is 57th of 314 and St Luke's Grammar School is 14th of 314 among combined schools in New South Wales on the 2025 Success Index.