Hornsby High School vs Mount Colah Public School
A head-to-head comparison of two schools in New South Wales, 2.5 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Hornsby High School
Asquith · Government high school · 7-12
542 students · ICSEA 1045
Mount Colah Public School
Mount Colah · Government primary · K-6
442 students · ICSEA 1098
| Measure | Hornsby High School Asquith NSW | Mount Colah Public School Mount Colah NSW |
|---|---|---|
| Success Index | 61 Top 50% | 69 Top 25% |
| State rank (type) | #194 of 539 | #336 of 1,619 |
| National rank (type) | #488 of 1,472 | #1107 of 4,908 |
| Sector | Government | Government |
| Type | Secondary | Primary |
| Year range | 7-12 | K-6 |
| Students | 542 | 442 |
| Girls / boys | 0 / 542 | 218 / 224 |
| Foundation intake | – | 57 |
| Year 7 cohort | 98 | – |
| Year 12 cohort | 80 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -8% | -2% |
| ICSEA Average 1000 | 1045 | 1098 |
| ICSEA percentile | 66th | 84th |
| Top SEA quarter | 19% | 41% |
| Bottom SEA quarter | 16% | 8% |
| Students per teacher | 11.1 | 19.0 |
| Teaching staff (FTE) | 48.6 | 23.3 |
| Non-teaching staff (FTE) | 9.5 | 3.3 |
| Language background other than English | 26% | 32% |
| Indigenous students | 4% | 2% |
| Suburb | Asquith 2077 | Mount Colah 2079 |
| Council area | Hornsby | Hornsby |
| Remoteness | Major Cities | Major Cities |
| Website | asquithboy-h.schools.nsw.gov.au | mtcolah-p.schools.nsw.gov.au |
The verdict
- •Mount Colah Public School scores higher on the Success Index (69.0 vs 61.2).
- •Mount Colah Public School has the higher ICSEA (1098 vs 1045), indicating a more advantaged community.
- •Hornsby High School has fewer students per teacher (11.1 vs 19.0).
- •Hornsby High School is the larger school with 542 students compared with 442.
- •Mount Colah Public School has grown faster over five years (-2% vs -8%).
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 High School better than Mount Colah Public School?
On the Success Index, Mount Colah Public School ranks higher (69.0 vs 61.2 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 Hornsby High School and Mount Colah Public School?
About 2.5 km in a straight line, between Asquith and Mount Colah in New South Wales.
Which has the better student-to-teacher ratio?
Hornsby High School has 11.1 students per full-time-equivalent teacher and Mount Colah Public School has 19.0.
How do Hornsby High School and Mount Colah Public School rank in NSW?
Hornsby High School is 194th of 539 and Mount Colah Public School is 336th of 1,619 among secondary schools in New South Wales on the 2025 Success Index.