Gillwinga Public School vs South Grafton High School
A head-to-head comparison of two schools in New South Wales, 1.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Gillwinga Public School
South Grafton · Government primary · K-6
129 students · ICSEA 774
South Grafton High School
South Grafton · Government high school · 7-12
639 students · ICSEA 875
| Measure | Gillwinga Public School South Grafton NSW | South Grafton High School South Grafton NSW |
|---|---|---|
| Success Index | 18 Lower 50% | 23 Lower 50% |
| State rank (type) | #1601 of 1,619 | #494 of 539 |
| National rank (type) | #4835 of 4,908 | #1350 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | K-6 | 7-12 |
| Students | 129 | 639 |
| Girls / boys | 65 / 64 | 309 / 330 |
| Foundation intake | 17 | – |
| Year 7 cohort | – | 111 |
| Year 12 cohort | – | 62 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -14% | -2% |
| ICSEA Average 1000 | 774 | 875 |
| ICSEA percentile | 2th | 7th |
| Top SEA quarter | 0% | 3% |
| Bottom SEA quarter | 82% | 64% |
| Students per teacher | 11.3 | 10.0 |
| Teaching staff (FTE) | 11.4 | 63.7 |
| Non-teaching staff (FTE) | 2.8 | 18.5 |
| Language background other than English | 4% | 3% |
| Indigenous students | 63% | 34% |
| Suburb | South Grafton 2460 | South Grafton 2460 |
| Council area | Clarence Valley | Clarence Valley |
| Remoteness | Inner Regional | Inner Regional |
| Website | gillwinga-p.schools.nsw.gov.au | sthgrafton-h.schools.nsw.gov.au |
The verdict
- •South Grafton High School scores higher on the Success Index (23.3 vs 18.4).
- •South Grafton High School has the higher ICSEA (875 vs 774), indicating a more advantaged community.
- •South Grafton High School has fewer students per teacher (10.0 vs 11.3).
- •South Grafton High School is the larger school with 639 students compared with 129.
- •South Grafton High School has grown faster over five years (-2% vs -14%).
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Mount Gravatt East
Frequently asked questions
Is Gillwinga Public School better than South Grafton High School?
On the Success Index, South Grafton High School ranks higher (23.3 vs 18.4 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 Gillwinga Public School and South Grafton High School?
About 1.2 km in a straight line, between South Grafton and South Grafton in New South Wales.
Which has the better student-to-teacher ratio?
Gillwinga Public School has 11.3 students per full-time-equivalent teacher and South Grafton High School has 10.0.
How do Gillwinga Public School and South Grafton High School rank in NSW?
Gillwinga Public School is 1601st of 1,619 and South Grafton High School is 494th of 539 among primary schools in New South Wales on the 2025 Success Index.