Marri Mittigar School vs St Leo's Catholic College
A head-to-head comparison of two schools in New South Wales, 487 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Marri Mittigar School
Hornsby · Independent special · K-8
28 students · ICSEA 984
St Leo's Catholic College
Wahroonga · Catholic high school · 7-12
1,055 students · ICSEA 1113
| Measure | Marri Mittigar School Hornsby NSW | St Leo's Catholic College Wahroonga NSW |
|---|---|---|
| Success Index | – Not rated | 80 Top 5% |
| State rank (type) | – | #20 of 539 |
| National rank (type) | – | #68 of 1,472 |
| Sector | Independent | Catholic |
| Type | Special | Secondary |
| Year range | K-8 | 7-12 |
| Students | 28 | 1,055 |
| Girls / boys | 11 / 17 | 455 / 600 |
| Foundation intake | 2 | – |
| Year 7 cohort | 4 | 188 |
| Year 12 cohort | – | 136 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | – | +40% |
| ICSEA Average 1000 | 984 | 1113 |
| ICSEA percentile | 39th | 88th |
| Top SEA quarter | 3% | 44% |
| Bottom SEA quarter | 48% | 4% |
| Students per teacher | 9.0 | 13.5 |
| Teaching staff (FTE) | 3.1 | 78.4 |
| Non-teaching staff (FTE) | 3.3 | 14.4 |
| Language background other than English | 100% | 22% |
| Indigenous students | 0% | 1% |
| Suburb | Hornsby 2077 | Wahroonga 2076 |
| Council area | Hornsby | Hornsby |
| Remoteness | Major Cities | Major Cities |
| Website | www.barker.college/about-barker/marri-mittigar/ | www.stleos.nsw.edu.au |
The verdict
- •St Leo's Catholic College has the higher ICSEA (1113 vs 984), indicating a more advantaged community.
- •Marri Mittigar School has fewer students per teacher (9.0 vs 13.5).
- •St Leo's Catholic College is the larger school with 1,055 students compared with 28.
- •Marri Mittigar School 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 Marri Mittigar School better than St Leo's Catholic College?
The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.
How far apart are Marri Mittigar School and St Leo's Catholic College?
About 487 m in a straight line, between Hornsby and Wahroonga in New South Wales.
Which has the better student-to-teacher ratio?
Marri Mittigar School has 9.0 students per full-time-equivalent teacher and St Leo's Catholic College has 13.5.
How do Marri Mittigar School and St Leo's Catholic College rank in NSW?
Marri Mittigar School is unranked and St Leo's Catholic College is 20th of 539 among special schools in New South Wales on the 2025 Success Index.