Hornsby Girls High School vs St Leo's Catholic College
A head-to-head comparison of two secondary schools in New South Wales, 990 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Hornsby Girls High School
Hornsby · Government high school · 7-12
722 students · ICSEA 1209
St Leo's Catholic College
Wahroonga · Catholic high school · 7-12
1,055 students · ICSEA 1113
| Measure | Hornsby Girls High School Hornsby NSW | St Leo's Catholic College Wahroonga NSW |
|---|---|---|
| Success Index | 78 Top 10% | 80 Top 5% |
| State rank (type) | #33 of 539 | #20 of 539 |
| National rank (type) | #99 of 1,472 | #68 of 1,472 |
| Sector | Government | Catholic |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 722 | 1,055 |
| Girls / boys | 722 / 0 | 455 / 600 |
| Foundation intake | – | – |
| Year 7 cohort | 120 | 188 |
| Year 12 cohort | 123 | 136 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +0% | +40% |
| ICSEA Average 1000 | 1209 | 1113 |
| ICSEA percentile | 99th | 88th |
| Top SEA quarter | 78% | 44% |
| Bottom SEA quarter | 0% | 4% |
| Students per teacher | 13.5 | 13.5 |
| Teaching staff (FTE) | 53.5 | 78.4 |
| Non-teaching staff (FTE) | 10.7 | 14.4 |
| Language background other than English | 94% | 22% |
| Indigenous students | 0% | 1% |
| Suburb | Hornsby 2077 | Wahroonga 2076 |
| Council area | Hornsby | Hornsby |
| Remoteness | Major Cities | Major Cities |
| Website | hornsbygir-h.schools.nsw.gov.au | www.stleos.nsw.edu.au |
The verdict
- •St Leo's Catholic College scores higher on the Success Index (80.1 vs 77.7).
- •Hornsby Girls High School has the higher ICSEA (1209 vs 1113), indicating a more advantaged community.
- •St Leo's Catholic College is the larger school with 1,055 students compared with 722.
- •St Leo's Catholic College has grown faster over five years (40% vs 0%).
- •Hornsby Girls High School is a government 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 Hornsby Girls High School better than St Leo's Catholic College?
On the Success Index, St Leo's Catholic College ranks higher (80.1 vs 77.7 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 Hornsby Girls High School and St Leo's Catholic College?
About 990 m in a straight line, between Hornsby and Wahroonga in New South Wales.
Which has the better student-to-teacher ratio?
Hornsby Girls High School has 13.5 students per full-time-equivalent teacher and St Leo's Catholic College has 13.5.
How do Hornsby Girls High School and St Leo's Catholic College rank in NSW?
Hornsby Girls High School is 33rd of 539 and St Leo's Catholic College is 20th of 539 among secondary schools in New South Wales on the 2025 Success Index.