Illawarra Christian School vs St Pius X Catholic Primary School
A head-to-head comparison of two schools in New South Wales, 1.4 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Illawarra Christian School
Cordeaux Heights · Independent combined · K-12
800 students · ICSEA 1091
St Pius X Catholic Primary School
Unanderra · Catholic primary · K-6
371 students · ICSEA 1066
| Measure | Illawarra Christian School Cordeaux Heights NSW | St Pius X Catholic Primary School Unanderra NSW |
|---|---|---|
| Success Index | 61 Top 50% | 65 Top 50% |
| State rank (type) | #137 of 314 | #483 of 1,619 |
| National rank (type) | #447 of 1,259 | #1474 of 4,908 |
| Sector | Independent | Catholic |
| Type | Combined | Primary |
| Year range | K-12 | K-6 |
| Students | 800 | 371 |
| Girls / boys | 428 / 372 | 188 / 183 |
| Foundation intake | 48 | 63 |
| Year 7 cohort | 81 | – |
| Year 12 cohort | 64 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +30% | +32% |
| ICSEA Average 1000 | 1091 | 1066 |
| ICSEA percentile | 82th | 74th |
| Top SEA quarter | 37% | 26% |
| Bottom SEA quarter | 6% | 12% |
| Students per teacher | 13.6 | 17.3 |
| Teaching staff (FTE) | 58.8 | 21.4 |
| Non-teaching staff (FTE) | 35.5 | 10.6 |
| Language background other than English | 30% | 3% |
| Indigenous students | 2% | 3% |
| Suburb | Cordeaux Heights 2526 | Unanderra 2526 |
| Council area | Wollongong | Wollongong |
| Remoteness | Major Cities | Major Cities |
| Website | www.ics.nsw.edu.au | www.spxudow.catholic.edu.au |
The verdict
- •St Pius X Catholic Primary School scores higher on the Success Index (64.8 vs 60.9).
- •Illawarra Christian School has the higher ICSEA (1091 vs 1066), indicating a more advantaged community.
- •Illawarra Christian School has fewer students per teacher (13.6 vs 17.3).
- •Illawarra Christian School is the larger school with 800 students compared with 371.
- •Illawarra Christian School is a independent school while St Pius X Catholic Primary School is a catholic 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 Illawarra Christian School better than St Pius X Catholic Primary School?
On the Success Index, St Pius X Catholic Primary School ranks higher (64.8 vs 60.9 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 Illawarra Christian School and St Pius X Catholic Primary School?
About 1.4 km in a straight line, between Cordeaux Heights and Unanderra in New South Wales.
Which has the better student-to-teacher ratio?
Illawarra Christian School has 13.6 students per full-time-equivalent teacher and St Pius X Catholic Primary School has 17.3.
How do Illawarra Christian School and St Pius X Catholic Primary School rank in NSW?
Illawarra Christian School is 137th of 314 and St Pius X Catholic Primary School is 483rd of 1,619 among combined schools in New South Wales on the 2025 Success Index.