Casula High School vs Dalmeny Public School
A head-to-head comparison of two schools in New South Wales, 2.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Casula High School
Casula · Government high school · 7-12
1,281 students · ICSEA 957
Dalmeny Public School
Prestons · Government primary · K-6
671 students · ICSEA 1012
| Measure | Casula High School Casula NSW | Dalmeny Public School Prestons NSW |
|---|---|---|
| Success Index | 32 Lower 50% | 50 Top 50% |
| State rank (type) | #408 of 539 | #868 of 1,619 |
| National rank (type) | #1127 of 1,472 | #2658 of 4,908 |
| Sector | Government | Government |
| Type | Secondary | Primary |
| Year range | 7-12 | K-6 |
| Students | 1,281 | 671 |
| Girls / boys | 587 / 694 | 298 / 373 |
| Foundation intake | – | 74 |
| Year 7 cohort | 208 | – |
| Year 12 cohort | 216 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +16% | -32% |
| ICSEA Average 1000 | 957 | 1012 |
| ICSEA percentile | 28th | 52th |
| Top SEA quarter | 4% | 13% |
| Bottom SEA quarter | 51% | 31% |
| Students per teacher | 13.9 | 12.8 |
| Teaching staff (FTE) | 92.1 | 52.3 |
| Non-teaching staff (FTE) | 19.4 | 11.9 |
| Language background other than English | 78% | 75% |
| Indigenous students | 4% | 3% |
| Suburb | Casula 2170 | Prestons 2170 |
| Council area | Liverpool | Liverpool |
| Remoteness | Major Cities | Major Cities |
| Website | casula-h.schools.nsw.gov.au | dalmeny-p.schools.nsw.gov.au |
The verdict
- •Dalmeny Public School scores higher on the Success Index (50.4 vs 32.3).
- •Dalmeny Public School has the higher ICSEA (1012 vs 957), indicating a more advantaged community.
- •Dalmeny Public School has fewer students per teacher (12.8 vs 13.9).
- •Casula High School is the larger school with 1,281 students compared with 671.
- •Casula High School has grown faster over five years (16% vs -32%).
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 Casula High School better than Dalmeny Public School?
On the Success Index, Dalmeny Public School ranks higher (50.4 vs 32.3 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 Casula High School and Dalmeny Public School?
About 2.1 km in a straight line, between Casula and Prestons in New South Wales.
Which has the better student-to-teacher ratio?
Casula High School has 13.9 students per full-time-equivalent teacher and Dalmeny Public School has 12.8.
How do Casula High School and Dalmeny Public School rank in NSW?
Casula High School is 408th of 539 and Dalmeny Public School is 868th of 1,619 among secondary schools in New South Wales on the 2025 Success Index.