Gymea Bay Public School vs Sydney Montessori School
A head-to-head comparison of two schools in New South Wales, 1.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Gymea Bay Public School
Gymea Bay · Government primary · K-6
763 students · ICSEA 1091
Sydney Montessori School
Gymea · Independent combined · K-11
147 students · ICSEA 1118
| Measure | Gymea Bay Public School Gymea Bay NSW | Sydney Montessori School Gymea NSW |
|---|---|---|
| Success Index | 68 Top 25% | 74 Top 25% |
| State rank (type) | #402 of 1,619 | #67 of 314 |
| National rank (type) | #1239 of 4,908 | #194 of 1,259 |
| Sector | Government | Independent |
| Type | Primary | Combined |
| Year range | K-6 | K-11 |
| Students | 763 | 147 |
| Girls / boys | 371 / 392 | 82 / 65 |
| Foundation intake | 128 | 26 |
| Year 7 cohort | – | 12 |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -3% | +13% |
| ICSEA Average 1000 | 1091 | 1118 |
| ICSEA percentile | 82th | 89th |
| Top SEA quarter | 37% | 50% |
| Bottom SEA quarter | 8% | 6% |
| Students per teacher | 16.2 | 11.0 |
| Teaching staff (FTE) | 47.0 | 13.4 |
| Non-teaching staff (FTE) | 7.7 | 9.0 |
| Language background other than English | 14% | 33% |
| Indigenous students | 3% | 1% |
| Suburb | Gymea Bay 2227 | Gymea 2227 |
| Council area | Sutherland | Sutherland |
| Remoteness | Major Cities | Major Cities |
| Website | gymeabay-p.schools.nsw.gov.au | www.sms.nsw.edu.au |
The verdict
- •Sydney Montessori School scores higher on the Success Index (74.0 vs 67.6).
- •Sydney Montessori School has the higher ICSEA (1118 vs 1091), indicating a more advantaged community.
- •Sydney Montessori School has fewer students per teacher (11.0 vs 16.2).
- •Gymea Bay Public School is the larger school with 763 students compared with 147.
- •Sydney Montessori School has grown faster over five years (13% vs -3%).
- •Gymea Bay Public School is a government school while Sydney Montessori School is an independent 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 Gymea Bay Public School better than Sydney Montessori School?
On the Success Index, Sydney Montessori School ranks higher (74.0 vs 67.6 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 Gymea Bay Public School and Sydney Montessori School?
About 1.1 km in a straight line, between Gymea Bay and Gymea in New South Wales.
Which has the better student-to-teacher ratio?
Gymea Bay Public School has 16.2 students per full-time-equivalent teacher and Sydney Montessori School has 11.0.
How do Gymea Bay Public School and Sydney Montessori School rank in NSW?
Gymea Bay Public School is 402nd of 1,619 and Sydney Montessori School is 67th of 314 among primary schools in New South Wales on the 2025 Success Index.