Australian International High School vs Sydney Grammar School
A head-to-head comparison of two schools in New South Wales, 630 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Australian International High School
Sydney · Independent high school
· ICSEA 1028
Sydney Grammar School
Darlinghurst · Independent combined · K-12
1,925 students · ICSEA 1274
| Measure | Australian International High School Sydney NSW | Sydney Grammar School Darlinghurst NSW |
|---|---|---|
| Success Index | 66 Top 50% | 84 Top 5% |
| State rank (type) | – | #17 of 314 |
| National rank (type) | – | #54 of 1,259 |
| Sector | Independent | Independent |
| Type | Secondary | Combined |
| Year range | – | K-12 |
| Students | – | 1,925 |
| Girls / boys | – / – | 0 / 1,925 |
| Foundation intake | – | 63 |
| Year 7 cohort | – | 200 |
| Year 12 cohort | – | 199 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | – | +2% |
| ICSEA Average 1000 | 1028 | 1274 |
| ICSEA percentile | 59th | 99th |
| Top SEA quarter | 22% | 93% |
| Bottom SEA quarter | 28% | 0% |
| Students per teacher | – | 9.2 |
| Teaching staff (FTE) | – | 209.9 |
| Non-teaching staff (FTE) | – | 103.8 |
| Language background other than English | – | 30% |
| Indigenous students | – | 0% |
| Suburb | Sydney 2000 | Darlinghurst 2010 |
| Council area | Sydney | Sydney |
| Remoteness | Major Cities | Major Cities |
| Website | www.edarabia.com/australian-international-high-school-sydney-australia/ | www.sydgram.nsw.edu.au |
The verdict
- •Sydney Grammar School scores higher on the Success Index (83.8 vs 65.8).
- •Sydney Grammar School has the higher ICSEA (1274 vs 1028), indicating a more advantaged community.
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 Australian International High School better than Sydney Grammar School?
On the Success Index, Sydney Grammar School ranks higher (83.8 vs 65.8 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 Australian International High School and Sydney Grammar School?
About 630 m in a straight line, between Sydney and Darlinghurst in New South Wales.
Which has the better student-to-teacher ratio?
Staffing data is not available for one of the schools.
How do Australian International High School and Sydney Grammar School rank in NSW?
Australian International High School is unranked and Sydney Grammar School is 17th of 314 among secondary schools in New South Wales on the 2025 Success Index.