Abbotsleigh vs St Leo's Catholic College
A head-to-head comparison of two schools in New South Wales, 809 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Abbotsleigh
Wahroonga · Independent combined · K-12
1,634 students · ICSEA 1217
St Leo's Catholic College
Wahroonga · Catholic high school · 7-12
1,055 students · ICSEA 1113
| Measure | Abbotsleigh Wahroonga NSW | St Leo's Catholic College Wahroonga NSW |
|---|---|---|
| Success Index | 83 Top 5% | 80 Top 5% |
| State rank (type) | #21 of 314 | #20 of 539 |
| National rank (type) | #60 of 1,259 | #68 of 1,472 |
| Sector | Independent | Catholic |
| Type | Combined | Secondary |
| Year range | K-12 | 7-12 |
| Students | 1,634 | 1,055 |
| Girls / boys | 1,634 / 0 | 455 / 600 |
| Foundation intake | 48 | – |
| Year 7 cohort | 193 | 188 |
| Year 12 cohort | 185 | 136 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +8% | +40% |
| ICSEA Average 1000 | 1217 | 1113 |
| ICSEA percentile | 99th | 88th |
| Top SEA quarter | 84% | 44% |
| Bottom SEA quarter | 1% | 4% |
| Students per teacher | 10.1 | 13.5 |
| Teaching staff (FTE) | 161.2 | 78.4 |
| Non-teaching staff (FTE) | 119.2 | 14.4 |
| Language background other than English | 67% | 22% |
| Indigenous students | 1% | 1% |
| Suburb | Wahroonga 2076 | Wahroonga 2076 |
| Council area | Ku-ring-gai | Hornsby |
| Remoteness | Major Cities | Major Cities |
| Website | www.abbotsleigh.nsw.edu.au | www.stleos.nsw.edu.au |
The verdict
- •Abbotsleigh scores higher on the Success Index (83.2 vs 80.1).
- •Abbotsleigh has the higher ICSEA (1217 vs 1113), indicating a more advantaged community.
- •Abbotsleigh has fewer students per teacher (10.1 vs 13.5).
- •Abbotsleigh is the larger school with 1,634 students compared with 1,055.
- •St Leo's Catholic College has grown faster over five years (40% vs 8%).
- •Abbotsleigh is a independent school while St Leo's Catholic College is a catholic 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 Abbotsleigh better than St Leo's Catholic College?
On the Success Index, Abbotsleigh ranks higher (83.2 vs 80.1 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 St Leo's Catholic College?
About 809 m in a straight line, between Wahroonga and Wahroonga in New South Wales.
Which has the better student-to-teacher ratio?
Abbotsleigh has 10.1 students per full-time-equivalent teacher and St Leo's Catholic College has 13.5.
How do Abbotsleigh and St Leo's Catholic College rank in NSW?
Abbotsleigh is 21st of 314 and St Leo's Catholic College is 20th of 539 among combined schools in New South Wales on the 2025 Success Index.