Chifley College Dunheved Campus vs St Marys Senior High School
A head-to-head comparison of two secondary schools in New South Wales, 1.9 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Chifley College Dunheved Campus
North St Marys · Government high school · 7-10
586 students · ICSEA 870
St Marys Senior High School
St Marys · Government high school · 11-12
926 students · ICSEA 1052
| Measure | Chifley College Dunheved Campus North St Marys NSW | St Marys Senior High School St Marys NSW |
|---|---|---|
| Success Index | 33 Lower 50% | 62 Top 50% |
| State rank (type) | #406 of 539 | #184 of 539 |
| National rank (type) | #1123 of 1,472 | #463 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-10 | 11-12 |
| Students | 586 | 926 |
| Girls / boys | 271 / 315 | 564 / 362 |
| Foundation intake | – | – |
| Year 7 cohort | 151 | – |
| Year 12 cohort | – | 463 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +55% | +2% |
| ICSEA Average 1000 | 870 | 1052 |
| ICSEA percentile | 6th | 69th |
| Top SEA quarter | 2% | 22% |
| Bottom SEA quarter | 71% | 17% |
| Students per teacher | 10.8 | 13.7 |
| Teaching staff (FTE) | 54.5 | 67.6 |
| Non-teaching staff (FTE) | 18.1 | 13.0 |
| Language background other than English | 33% | 73% |
| Indigenous students | 28% | 2% |
| Suburb | North St Marys 2760 | St Marys 2760 |
| Council area | Penrith | Penrith |
| Remoteness | Major Cities | Major Cities |
| Website | dunheved-h.schools.nsw.gov.au | stmaryssen-h.schools.nsw.gov.au |
The verdict
- •St Marys Senior High School scores higher on the Success Index (62.1 vs 32.6).
- •St Marys Senior High School has the higher ICSEA (1052 vs 870), indicating a more advantaged community.
- •Chifley College Dunheved Campus has fewer students per teacher (10.8 vs 13.7).
- •St Marys Senior High School is the larger school with 926 students compared with 586.
- •Chifley College Dunheved Campus has grown faster over five years (55% vs 2%).
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 Chifley College Dunheved Campus better than St Marys Senior High School?
On the Success Index, St Marys Senior High School ranks higher (62.1 vs 32.6 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 Chifley College Dunheved Campus and St Marys Senior High School?
About 1.9 km in a straight line, between North St Marys and St Marys in New South Wales.
Which has the better student-to-teacher ratio?
Chifley College Dunheved Campus has 10.8 students per full-time-equivalent teacher and St Marys Senior High School has 13.7.
How do Chifley College Dunheved Campus and St Marys Senior High School rank in NSW?
Chifley College Dunheved Campus is 406th of 539 and St Marys Senior High School is 184th of 539 among secondary schools in New South Wales on the 2025 Success Index.