John Colet School vs Mosman Church of England Preparatory School
A head-to-head comparison of two primary schools in New South Wales, 12 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
John Colet School
Belrose · Independent primary · K-6
275 students · ICSEA 1210
Mosman Church of England Preparatory School
Mosman · Independent primary · K-6
221 students · ICSEA 1206
| Measure | John Colet School Belrose NSW | Mosman Church of England Preparatory School Mosman NSW |
|---|---|---|
| Success Index | 88 Top 5% | 89 Top 5% |
| State rank (type) | #2 of 1,619 | #1 of 1,619 |
| National rank (type) | #14 of 4,908 | #6 of 4,908 |
| Sector | Independent | Independent |
| Type | Primary | Primary |
| Year range | K-6 | K-6 |
| Students | 275 | 221 |
| Girls / boys | 131 / 144 | 0 / 221 |
| Foundation intake | 40 | 27 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +20% | -16% |
| ICSEA Average 1000 | 1210 | 1206 |
| ICSEA percentile | 99th | 99th |
| Top SEA quarter | 81% | 84% |
| Bottom SEA quarter | 0% | 1% |
| Students per teacher | 13.0 | 8.0 |
| Teaching staff (FTE) | 21.1 | 27.6 |
| Non-teaching staff (FTE) | 13.9 | 8.9 |
| Language background other than English | 69% | 26% |
| Indigenous students | 0% | 0% |
| Suburb | Belrose 2085 | Mosman 2088 |
| Council area | Northern Beaches | Mosman |
| Remoteness | Major Cities | Major Cities |
| Website | www.johncolet.nsw.edu.au | www.mosmanprep.nsw.edu.au |
The verdict
- •Both schools have almost identical Success Index scores (88.2 vs 89.1).
- •John Colet School has the higher ICSEA (1210 vs 1206), indicating a more advantaged community.
- •Mosman Church of England Preparatory School has fewer students per teacher (8.0 vs 13.0).
- •John Colet School is the larger school with 275 students compared with 221.
- •John Colet School has grown faster over five years (20% vs -16%).
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 John Colet School better than Mosman Church of England Preparatory 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 John Colet School and Mosman Church of England Preparatory School?
About 12 km in a straight line, between Belrose and Mosman in New South Wales.
Which has the better student-to-teacher ratio?
John Colet School has 13.0 students per full-time-equivalent teacher and Mosman Church of England Preparatory School has 8.0.
How do John Colet School and Mosman Church of England Preparatory School rank in NSW?
John Colet School is 2nd of 1,619 and Mosman Church of England Preparatory School is 1st of 1,619 among primary schools in New South Wales on the 2025 Success Index.