Knox Grammar School vs Wahroonga Public 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.
Knox Grammar School
Wahroonga · Independent combined · K-12
3,345 students · ICSEA 1187
Wahroonga Public School
Wahroonga · Government primary · K-6
508 students · ICSEA 1156
| Measure | Knox Grammar School Wahroonga NSW | Wahroonga Public School Wahroonga NSW |
|---|---|---|
| Success Index | 83 Top 5% | 74 Top 25% |
| State rank (type) | #24 of 314 | #184 of 1,619 |
| National rank (type) | #67 of 1,259 | #666 of 4,908 |
| Sector | Independent | Government |
| Type | Combined | Primary |
| Year range | K-12 | K-6 |
| Students | 3,345 | 508 |
| Girls / boys | 73 / 3,272 | 240 / 268 |
| Foundation intake | 119 | 65 |
| Year 7 cohort | 380 | – |
| Year 12 cohort | 376 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +8% | -28% |
| ICSEA Average 1000 | 1187 | 1156 |
| ICSEA percentile | 99th | 96th |
| Top SEA quarter | 77% | 63% |
| Bottom SEA quarter | 1% | 2% |
| Students per teacher | 11.5 | 16.0 |
| Teaching staff (FTE) | 291.6 | 31.7 |
| Non-teaching staff (FTE) | 262.6 | 7.0 |
| Language background other than English | 53% | 46% |
| Indigenous students | 1% | 1% |
| Suburb | Wahroonga 2076 | Wahroonga 2076 |
| Council area | Ku-ring-gai | Ku-ring-gai |
| Remoteness | Major Cities | Major Cities |
| Website | www.knox.nsw.edu.au/ | wahroonga-p.schools.nsw.gov.au |
The verdict
- •Knox Grammar School scores higher on the Success Index (82.8 vs 73.7).
- •Knox Grammar School has the higher ICSEA (1187 vs 1156), indicating a more advantaged community.
- •Knox Grammar School has fewer students per teacher (11.5 vs 16.0).
- •Knox Grammar School is the larger school with 3,345 students compared with 508.
- •Knox Grammar School has grown faster over five years (8% vs -28%).
- •Knox Grammar School is a independent school while Wahroonga Public School is a government 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 Knox Grammar School better than Wahroonga Public School?
On the Success Index, Knox Grammar School ranks higher (82.8 vs 73.7 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 Knox Grammar School and Wahroonga Public School?
About 1.2 km in a straight line, between Wahroonga and Wahroonga in New South Wales.
Which has the better student-to-teacher ratio?
Knox Grammar School has 11.5 students per full-time-equivalent teacher and Wahroonga Public School has 16.0.
How do Knox Grammar School and Wahroonga Public School rank in NSW?
Knox Grammar School is 24th of 314 and Wahroonga Public School is 184th of 1,619 among combined schools in New South Wales on the 2025 Success Index.