St Patrick's Catholic Primary School vs Trinity Grammar School
A head-to-head comparison of two schools in New South Wales, 592 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
St Patrick's Catholic Primary School
Summer Hill · Catholic primary · K-6
163 students · ICSEA 1136
Trinity Grammar School
Summer Hill · Independent combined · K-12
2,296 students · ICSEA 1168
| Measure | St Patrick's Catholic Primary School Summer Hill NSW | Trinity Grammar School Summer Hill NSW |
|---|---|---|
| Success Index | 79 Top 5% | 82 Top 10% |
| State rank (type) | #72 of 1,619 | #28 of 314 |
| National rank (type) | #288 of 4,908 | #72 of 1,259 |
| Sector | Catholic | Independent |
| Type | Primary | Combined |
| Year range | K-6 | K-12 |
| Students | 163 | 2,296 |
| Girls / boys | 86 / 77 | 0 / 2,296 |
| Foundation intake | 27 | 81 |
| Year 7 cohort | – | 273 |
| Year 12 cohort | – | 234 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -10% | +6% |
| ICSEA Average 1000 | 1136 | 1168 |
| ICSEA percentile | 92th | 98th |
| Top SEA quarter | 53% | 67% |
| Bottom SEA quarter | 2% | 1% |
| Students per teacher | 14.2 | 9.0 |
| Teaching staff (FTE) | 11.5 | 254.7 |
| Non-teaching staff (FTE) | 3.3 | 146.7 |
| Language background other than English | 68% | 61% |
| Indigenous students | 1% | 0% |
| Suburb | Summer Hill 2130 | Summer Hill 2130 |
| Council area | Inner West | Inner West |
| Remoteness | Major Cities | Major Cities |
| Website | stpsummerhill.syd.catholic.edu.au | www.trinity.nsw.edu.au |
The verdict
- •Trinity Grammar School scores higher on the Success Index (82.2 vs 78.5).
- •Trinity Grammar School has the higher ICSEA (1168 vs 1136), indicating a more advantaged community.
- •Trinity Grammar School has fewer students per teacher (9.0 vs 14.2).
- •Trinity Grammar School is the larger school with 2,296 students compared with 163.
- •Trinity Grammar School has grown faster over five years (6% vs -10%).
- •St Patrick's Catholic Primary School is a catholic school while Trinity Grammar 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.
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Frequently asked questions
Is St Patrick's Catholic Primary School better than Trinity Grammar School?
On the Success Index, Trinity Grammar School ranks higher (82.2 vs 78.5 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 Patrick's Catholic Primary School and Trinity Grammar School?
About 592 m in a straight line, between Summer Hill and Summer Hill in New South Wales.
Which has the better student-to-teacher ratio?
St Patrick's Catholic Primary School has 14.2 students per full-time-equivalent teacher and Trinity Grammar School has 9.0.
How do St Patrick's Catholic Primary School and Trinity Grammar School rank in NSW?
St Patrick's Catholic Primary School is 72nd of 1,619 and Trinity Grammar School is 28th of 314 among primary schools in New South Wales on the 2025 Success Index.