Hornsby Heights Public School vs Mount Colah Public School
A head-to-head comparison of two primary schools in New South Wales, 1.8 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Hornsby Heights Public School
Hornsby · Government primary · K-6
420 students · ICSEA 1104
Mount Colah Public School
Mount Colah · Government primary · K-6
442 students · ICSEA 1098
| Measure | Hornsby Heights Public School Hornsby NSW | Mount Colah Public School Mount Colah NSW |
|---|---|---|
| Success Index | 69 Top 25% | 69 Top 25% |
| State rank (type) | #335 of 1,619 | #336 of 1,619 |
| National rank (type) | #1104 of 4,908 | #1107 of 4,908 |
| Sector | Government | Government |
| Type | Primary | Primary |
| Year range | K-6 | K-6 |
| Students | 420 | 442 |
| Girls / boys | 204 / 216 | 218 / 224 |
| Foundation intake | 45 | 57 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -12% | -2% |
| ICSEA Average 1000 | 1104 | 1098 |
| ICSEA percentile | 86th | 84th |
| Top SEA quarter | 39% | 41% |
| Bottom SEA quarter | 5% | 8% |
| Students per teacher | 18.7 | 19.0 |
| Teaching staff (FTE) | 22.5 | 23.3 |
| Non-teaching staff (FTE) | 3.2 | 3.3 |
| Language background other than English | 26% | 32% |
| Indigenous students | 1% | 2% |
| Suburb | Hornsby 2077 | Mount Colah 2079 |
| Council area | Hornsby | Hornsby |
| Remoteness | Major Cities | Major Cities |
| Website | hornsbyhts-p.schools.nsw.gov.au | mtcolah-p.schools.nsw.gov.au |
The verdict
- •Both schools have almost identical Success Index scores (69.0 vs 69.0).
- •Hornsby Heights Public School has the higher ICSEA (1104 vs 1098), indicating a more advantaged community.
- •Mount Colah Public School is the larger school with 442 students compared with 420.
- •Mount Colah Public School has grown faster over five years (-2% vs -12%).
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 Heights Public School better than Mount Colah Public School?
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 Hornsby Heights Public School and Mount Colah Public School?
About 1.8 km in a straight line, between Hornsby and Mount Colah in New South Wales.
Which has the better student-to-teacher ratio?
Hornsby Heights Public School has 18.7 students per full-time-equivalent teacher and Mount Colah Public School has 19.0.
How do Hornsby Heights Public School and Mount Colah Public School rank in NSW?
Hornsby Heights Public School is 335th of 1,619 and Mount Colah Public School is 336th of 1,619 among primary schools in New South Wales on the 2025 Success Index.