Abbotsleigh vs Ascham School
A head-to-head comparison of two combined schools in New South Wales, 21 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Abbotsleigh
Wahroonga · Independent combined · K-12
1,634 students · ICSEA 1217
Ascham School
Edgecliff · Independent combined · K-12
1,182 students · ICSEA 1217
| Measure | Abbotsleigh Wahroonga NSW | Ascham School Edgecliff NSW |
|---|---|---|
| Success Index | 83 Top 5% | 93 Top 5% |
| State rank (type) | #21 of 314 | #2 of 314 |
| National rank (type) | #60 of 1,259 | #2 of 1,259 |
| Sector | Independent | Independent |
| Type | Combined | Combined |
| Year range | K-12 | K-12 |
| Students | 1,634 | 1,182 |
| Girls / boys | 1,634 / 0 | 1,182 / 0 |
| Foundation intake | 48 | 61 |
| Year 7 cohort | 193 | 122 |
| Year 12 cohort | 185 | 119 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +8% | +1% |
| ICSEA Average 1000 | 1217 | 1217 |
| ICSEA percentile | 99th | 99th |
| Top SEA quarter | 84% | 84% |
| Bottom SEA quarter | 1% | 0% |
| Students per teacher | 10.1 | 7.2 |
| Teaching staff (FTE) | 161.2 | 164.0 |
| Non-teaching staff (FTE) | 119.2 | 92.0 |
| Language background other than English | 67% | 17% |
| Indigenous students | 1% | 1% |
| Suburb | Wahroonga 2076 | Edgecliff 2027 |
| Council area | Ku-ring-gai | Woollahra |
| Remoteness | Major Cities | Major Cities |
| Website | www.abbotsleigh.nsw.edu.au | www.ascham.nsw.edu.au |
The verdict
- •Ascham School scores higher on the Success Index (92.5 vs 83.2).
- •Ascham School has fewer students per teacher (7.2 vs 10.1).
- •Abbotsleigh is the larger school with 1,634 students compared with 1,182.
- •Abbotsleigh has grown faster over five years (8% vs 1%).
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 Abbotsleigh better than Ascham School?
On the Success Index, Ascham School ranks higher (92.5 vs 83.2 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 Abbotsleigh and Ascham School?
About 21 km in a straight line, between Wahroonga and Edgecliff in New South Wales.
Which has the better student-to-teacher ratio?
Abbotsleigh has 10.1 students per full-time-equivalent teacher and Ascham School has 7.2.
How do Abbotsleigh and Ascham School rank in NSW?
Abbotsleigh is 21st of 314 and Ascham School is 2nd of 314 among combined schools in New South Wales on the 2025 Success Index.