Erindale College vs Trinity Christian School
A head-to-head comparison of two schools in Australian Capital Territory, 1.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Erindale College
Wanniassa · Government high school · 10-12
871 students · ICSEA 1041
Trinity Christian School
Wanniassa · Independent combined · K-12
1,073 students · ICSEA 1150
| Measure | Erindale College Wanniassa ACT | Trinity Christian School Wanniassa ACT |
|---|---|---|
| Success Index | 65 Top 50% | 72 Top 25% |
| State rank (type) | #23 of 27 | #9 of 23 |
| National rank (type) | #406 of 1,472 | #223 of 1,259 |
| Sector | Government | Independent |
| Type | Secondary | Combined |
| Year range | 10-12 | K-12 |
| Students | 871 | 1,073 |
| Girls / boys | 413 / 458 | 573 / 500 |
| Foundation intake | – | 57 |
| Year 7 cohort | – | 119 |
| Year 12 cohort | 358 | 68 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +39% | -2% |
| ICSEA Average 1000 | 1041 | 1150 |
| ICSEA percentile | 65th | 95th |
| Top SEA quarter | 21% | 60% |
| Bottom SEA quarter | 18% | 3% |
| Students per teacher | 14.0 | 13.7 |
| Teaching staff (FTE) | 60.1 | 78.6 |
| Non-teaching staff (FTE) | 23.8 | 38.4 |
| Language background other than English | 12% | 36% |
| Indigenous students | 6% | 1% |
| Suburb | Wanniassa 2903 | Wanniassa 2903 |
| Council area | Unincorporated ACT | Unincorporated ACT |
| Remoteness | Major Cities | Major Cities |
| Website | www.erindalec.act.edu.au/ | www.trinitycs.act.edu.au |
The verdict
- •Trinity Christian School scores higher on the Success Index (72.1 vs 64.9).
- •Trinity Christian School has the higher ICSEA (1150 vs 1041), indicating a more advantaged community.
- •Trinity Christian School is the larger school with 1,073 students compared with 871.
- •Erindale College has grown faster over five years (39% vs -2%).
- •Erindale College is a government school while Trinity Christian 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 Erindale College better than Trinity Christian School?
On the Success Index, Trinity Christian School ranks higher (72.1 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 Erindale College and Trinity Christian School?
About 1.1 km in a straight line, between Wanniassa and Wanniassa in Australian Capital Territory.
Which has the better student-to-teacher ratio?
Erindale College has 14.0 students per full-time-equivalent teacher and Trinity Christian School has 13.7.
How do Erindale College and Trinity Christian School rank in ACT?
Erindale College is 23rd of 27 and Trinity Christian School is 9th of 23 among secondary schools in Australian Capital Territory on the 2025 Success Index.