Trinity College North vs Trinity College Senior
A head-to-head comparison of two schools in South Australia, 133 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Trinity College North
Evanston South · Independent combined · R-10
914 students · ICSEA 1040
Trinity College Senior
Evanston South · Independent high school · 11-12
669 students · ICSEA 1025
| Measure | Trinity College North Evanston South SA | Trinity College Senior Evanston South SA |
|---|---|---|
| Success Index | 43 Lower 50% | 59 Top 50% |
| State rank (type) | #74 of 145 | #26 of 84 |
| National rank (type) | #805 of 1,259 | #544 of 1,472 |
| Sector | Independent | Independent |
| Type | Combined | Secondary |
| Year range | R-10 | 11-12 |
| Students | 914 | 669 |
| Girls / boys | 461 / 453 | 339 / 330 |
| Foundation intake | 57 | – |
| Year 7 cohort | 117 | – |
| Year 12 cohort | – | 329 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +6% | +18% |
| ICSEA Average 1000 | 1040 | 1025 |
| ICSEA percentile | 64th | 58th |
| Top SEA quarter | 17% | 13% |
| Bottom SEA quarter | 19% | 24% |
| Students per teacher | 15.6 | 11.4 |
| Teaching staff (FTE) | 58.7 | 58.8 |
| Non-teaching staff (FTE) | 30.4 | 23.8 |
| Language background other than English | 15% | 21% |
| Indigenous students | 2% | 2% |
| Suburb | Evanston South 5116 | Evanston South 5116 |
| Council area | Gawler | Gawler |
| Remoteness | Major Cities | Major Cities |
| Website | www.trinity.sa.edu.au | www.trinity.sa.edu.au |
The verdict
- •Trinity College Senior scores higher on the Success Index (58.9 vs 42.9).
- •Trinity College North has the higher ICSEA (1040 vs 1025), indicating a more advantaged community.
- •Trinity College Senior has fewer students per teacher (11.4 vs 15.6).
- •Trinity College North is the larger school with 914 students compared with 669.
- •Trinity College Senior has grown faster over five years (18% vs 6%).
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 Trinity College North better than Trinity College Senior?
On the Success Index, Trinity College Senior ranks higher (58.9 vs 42.9 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 Trinity College North and Trinity College Senior?
About 133 m in a straight line, between Evanston South and Evanston South in South Australia.
Which has the better student-to-teacher ratio?
Trinity College North has 15.6 students per full-time-equivalent teacher and Trinity College Senior has 11.4.
How do Trinity College North and Trinity College Senior rank in SA?
Trinity College North is 74th of 145 and Trinity College Senior is 26th of 84 among combined schools in South Australia on the 2025 Success Index.