Goolwa Secondary College vs Grant High School
A head-to-head comparison of two secondary schools in South Australia, 318 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Goolwa Secondary College
Goolwa · Government high school · 7-12
285 students · ICSEA 957
Grant High School
Mount Gambier · Government high school · U, 7-12
978 students · ICSEA 954
| Measure | Goolwa Secondary College Goolwa SA | Grant High School Mount Gambier SA |
|---|---|---|
| Success Index | 33 Lower 50% | 28 Lower 50% |
| State rank (type) | #62 of 84 | #67 of 84 |
| National rank (type) | #1124 of 1,472 | #1233 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | U, 7-12 |
| Students | 285 | 978 |
| Girls / boys | 124 / 161 | 429 / 549 |
| Foundation intake | – | – |
| Year 7 cohort | 62 | 116 |
| Year 12 cohort | – | 195 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | – | +14% |
| ICSEA Average 1000 | 957 | 954 |
| ICSEA percentile | 27th | 26th |
| Top SEA quarter | 5% | 5% |
| Bottom SEA quarter | 49% | 50% |
| Students per teacher | 11.9 | 14.0 |
| Teaching staff (FTE) | 23.9 | 70.0 |
| Non-teaching staff (FTE) | 14.8 | 38.7 |
| Language background other than English | 3% | 3% |
| Indigenous students | 8% | 8% |
| Suburb | Goolwa 5214 | Mount Gambier 5290 |
| Council area | Alexandrina | Mount Gambier |
| Remoteness | Inner Regional | Outer Regional |
| Website | goolwasecondarycollege.sa.edu.au | web.granths.sa.edu.au/ghs/ |
The verdict
- •Goolwa Secondary College scores higher on the Success Index (32.6 vs 28.0).
- •Goolwa Secondary College has the higher ICSEA (957 vs 954), indicating a more advantaged community.
- •Goolwa Secondary College has fewer students per teacher (11.9 vs 14.0).
- •Grant High School is the larger school with 978 students compared with 285.
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 Goolwa Secondary College better than Grant High School?
On the Success Index, Goolwa Secondary College ranks higher (32.6 vs 28.0 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 Goolwa Secondary College and Grant High School?
About 318 km in a straight line, between Goolwa and Mount Gambier in South Australia.
Which has the better student-to-teacher ratio?
Goolwa Secondary College has 11.9 students per full-time-equivalent teacher and Grant High School has 14.0.
How do Goolwa Secondary College and Grant High School rank in SA?
Goolwa Secondary College is 62nd of 84 and Grant High School is 67th of 84 among secondary schools in South Australia on the 2025 Success Index.