Middle Harbour Public School vs Mosman High School
A head-to-head comparison of two schools in New South Wales, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Middle Harbour Public School
Mosman · Government primary · K-6
423 students · ICSEA 1162
Mosman High School
Mosman · Government high school · 7-12
1,087 students · ICSEA 1126
| Measure | Middle Harbour Public School Mosman NSW | Mosman High School Mosman NSW |
|---|---|---|
| Success Index | 75 Top 10% | 73 Top 25% |
| State rank (type) | #144 of 1,619 | #78 of 539 |
| National rank (type) | #548 of 4,908 | #215 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | K-6 | 7-12 |
| Students | 423 | 1,087 |
| Girls / boys | 213 / 210 | 514 / 573 |
| Foundation intake | 60 | – |
| Year 7 cohort | – | 183 |
| Year 12 cohort | – | 171 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -26% | +2% |
| ICSEA Average 1000 | 1162 | 1126 |
| ICSEA percentile | 97th | 91th |
| Top SEA quarter | 66% | 50% |
| Bottom SEA quarter | 1% | 3% |
| Students per teacher | 18.0 | 14.4 |
| Teaching staff (FTE) | 23.5 | 75.3 |
| Non-teaching staff (FTE) | 3.6 | 14.0 |
| Language background other than English | 32% | 43% |
| Indigenous students | 0% | 0% |
| Suburb | Mosman 2088 | Mosman 2088 |
| Council area | Mosman | Mosman |
| Remoteness | Major Cities | Major Cities |
| Website | middleharb-p.schools.nsw.gov.au | mosman-h.schools.nsw.gov.au |
The verdict
- •Middle Harbour Public School scores higher on the Success Index (74.8 vs 72.7).
- •Middle Harbour Public School has the higher ICSEA (1162 vs 1126), indicating a more advantaged community.
- •Mosman High School has fewer students per teacher (14.4 vs 18.0).
- •Mosman High School is the larger school with 1,087 students compared with 423.
- •Mosman High School has grown faster over five years (2% vs -26%).
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 Middle Harbour Public School better than Mosman High School?
On the Success Index, Middle Harbour Public School ranks higher (74.8 vs 72.7 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 Middle Harbour Public School and Mosman High School?
About 1.3 km in a straight line, between Mosman and Mosman in New South Wales.
Which has the better student-to-teacher ratio?
Middle Harbour Public School has 18.0 students per full-time-equivalent teacher and Mosman High School has 14.4.
How do Middle Harbour Public School and Mosman High School rank in NSW?
Middle Harbour Public School is 144th of 1,619 and Mosman High School is 78th of 539 among primary schools in New South Wales on the 2025 Success Index.