Biddabah Public School vs Cardiff South Public School
A head-to-head comparison of two primary schools in New South Wales, 2.5 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Biddabah Public School
Warners Bay · Government primary · K-6
348 students · ICSEA 1065
Cardiff South Public School
Cardiff South · Government primary · P-6
298 students · ICSEA 1017
| Measure | Biddabah Public School Warners Bay NSW | Cardiff South Public School Cardiff South NSW |
|---|---|---|
| Success Index | 61 Top 50% | 52 Top 50% |
| State rank (type) | #598 of 1,619 | #841 of 1,619 |
| National rank (type) | #1822 of 4,908 | #2564 of 4,908 |
| Sector | Government | Government |
| Type | Primary | Primary |
| Year range | K-6 | P-6 |
| Students | 348 | 298 |
| Girls / boys | 173 / 175 | 143 / 155 |
| Foundation intake | 49 | 53 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +0% | +0% |
| ICSEA Average 1000 | 1065 | 1017 |
| ICSEA percentile | 74th | 54th |
| Top SEA quarter | 30% | 17% |
| Bottom SEA quarter | 16% | 23% |
| Students per teacher | 18.3 | 16.6 |
| Teaching staff (FTE) | 19.0 | 18.0 |
| Non-teaching staff (FTE) | 3.0 | 3.8 |
| Language background other than English | 9% | 15% |
| Indigenous students | 7% | 13% |
| Suburb | Warners Bay 2282 | Cardiff South 2285 |
| Council area | Lake Macquarie | Lake Macquarie |
| Remoteness | Major Cities | Major Cities |
| Website | biddabah-p.schools.nsw.gov.au | cardiffsth-p.schools.nsw.gov.au |
The verdict
- •Biddabah Public School scores higher on the Success Index (61.2 vs 51.8).
- •Biddabah Public School has the higher ICSEA (1065 vs 1017), indicating a more advantaged community.
- •Cardiff South Public School has fewer students per teacher (16.6 vs 18.3).
- •Biddabah Public School is the larger school with 348 students compared with 298.
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 Biddabah Public School better than Cardiff South Public School?
On the Success Index, Biddabah Public School ranks higher (61.2 vs 51.8 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 Biddabah Public School and Cardiff South Public School?
About 2.5 km in a straight line, between Warners Bay and Cardiff South in New South Wales.
Which has the better student-to-teacher ratio?
Biddabah Public School has 18.3 students per full-time-equivalent teacher and Cardiff South Public School has 16.6.
How do Biddabah Public School and Cardiff South Public School rank in NSW?
Biddabah Public School is 598th of 1,619 and Cardiff South Public School is 841st of 1,619 among primary schools in New South Wales on the 2025 Success Index.