Trinity Christian School vs Wanniassa School
A head-to-head comparison of two combined schools in Australian Capital Territory, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Trinity Christian School
Wanniassa · Independent combined · K-12
1,073 students · ICSEA 1150
Wanniassa School
Wanniassa · Government combined · K-10
538 students · ICSEA 991
| Measure | Trinity Christian School Wanniassa ACT | Wanniassa School Wanniassa ACT |
|---|---|---|
| Success Index | 72 Top 25% | 45 Lower 50% |
| State rank (type) | #9 of 23 | #20 of 23 |
| National rank (type) | #223 of 1,259 | #758 of 1,259 |
| Sector | Independent | Government |
| Type | Combined | Combined |
| Year range | K-12 | K-10 |
| Students | 1,073 | 538 |
| Girls / boys | 573 / 500 | 252 / 286 |
| Foundation intake | 57 | 42 |
| Year 7 cohort | 119 | 104 |
| Year 12 cohort | 68 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -2% | +20% |
| ICSEA Average 1000 | 1150 | 991 |
| ICSEA percentile | 95th | 43th |
| Top SEA quarter | 60% | 13% |
| Bottom SEA quarter | 3% | 35% |
| Students per teacher | 13.7 | 10.3 |
| Teaching staff (FTE) | 78.6 | 52.2 |
| Non-teaching staff (FTE) | 38.4 | 27.3 |
| Language background other than English | 36% | 23% |
| Indigenous students | 1% | 9% |
| Suburb | Wanniassa 2903 | Wanniassa 2903 |
| Council area | Unincorporated ACT | Unincorporated ACT |
| Remoteness | Major Cities | Major Cities |
| Website | www.trinitycs.act.edu.au | www.wans.act.edu.au/ |
The verdict
- •Trinity Christian School scores higher on the Success Index (72.1 vs 45.4).
- •Trinity Christian School has the higher ICSEA (1150 vs 991), indicating a more advantaged community.
- •Wanniassa School has fewer students per teacher (10.3 vs 13.7).
- •Trinity Christian School is the larger school with 1,073 students compared with 538.
- •Wanniassa School has grown faster over five years (20% vs -2%).
- •Trinity Christian School is a independent school while Wanniassa 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 Trinity Christian School better than Wanniassa School?
On the Success Index, Trinity Christian School ranks higher (72.1 vs 45.4 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 Trinity Christian School and Wanniassa School?
About 1.3 km in a straight line, between Wanniassa and Wanniassa in Australian Capital Territory.
Which has the better student-to-teacher ratio?
Trinity Christian School has 13.7 students per full-time-equivalent teacher and Wanniassa School has 10.3.
How do Trinity Christian School and Wanniassa School rank in ACT?
Trinity Christian School is 9th of 23 and Wanniassa School is 20th of 23 among combined schools in Australian Capital Territory on the 2025 Success Index.