Auburn Girls High School vs Trinity Catholic College
A head-to-head comparison of two secondary schools in New South Wales, 909 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Auburn Girls High School
Auburn · Government high school · 7-12
854 students · ICSEA 966
Trinity Catholic College
Auburn · Catholic high school · 7-12
1,313 students · ICSEA 1016
| Measure | Auburn Girls High School Auburn NSW | Trinity Catholic College Auburn NSW |
|---|---|---|
| Success Index | 45 Lower 50% | 55 Top 50% |
| State rank (type) | #311 of 539 | #238 of 539 |
| National rank (type) | #846 of 1,472 | #624 of 1,472 |
| Sector | Government | Catholic |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 854 | 1,313 |
| Girls / boys | 854 / 0 | 644 / 669 |
| Foundation intake | – | – |
| Year 7 cohort | 148 | 246 |
| Year 12 cohort | 122 | 194 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +9% | +4% |
| ICSEA Average 1000 | 966 | 1016 |
| ICSEA percentile | 32th | 54th |
| Top SEA quarter | 10% | 13% |
| Bottom SEA quarter | 50% | 31% |
| Students per teacher | 12.7 | 12.7 |
| Teaching staff (FTE) | 67.3 | 103.1 |
| Non-teaching staff (FTE) | 14.9 | 28.8 |
| Language background other than English | 97% | 94% |
| Indigenous students | 0% | 1% |
| Suburb | Auburn 2144 | Auburn 2144 |
| Council area | Cumberland | Cumberland |
| Remoteness | Major Cities | Major Cities |
| Website | auburng-h.schools.nsw.gov.au | trinity.syd.catholic.edu.au |
The verdict
- •Trinity Catholic College scores higher on the Success Index (55.1 vs 45.0).
- •Trinity Catholic College has the higher ICSEA (1016 vs 966), indicating a more advantaged community.
- •Trinity Catholic College is the larger school with 1,313 students compared with 854.
- •Auburn Girls High School is a government school while Trinity Catholic College is a catholic 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 Auburn Girls High School better than Trinity Catholic College?
On the Success Index, Trinity Catholic College ranks higher (55.1 vs 45.0 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 Auburn Girls High School and Trinity Catholic College?
About 909 m in a straight line, between Auburn and Auburn in New South Wales.
Which has the better student-to-teacher ratio?
Auburn Girls High School has 12.7 students per full-time-equivalent teacher and Trinity Catholic College has 12.7.
How do Auburn Girls High School and Trinity Catholic College rank in NSW?
Auburn Girls High School is 311th of 539 and Trinity Catholic College is 238th of 539 among secondary schools in New South Wales on the 2025 Success Index.