Billabong High School vs Glendale Technology High School
A head-to-head comparison of two secondary schools in New South Wales, 520 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Billabong High School
Culcairn · Government high school · 7-12
312 students · ICSEA 946
Glendale Technology High School
Glendale · Government high school · 7-12
802 students · ICSEA 946
| Measure | Billabong High School Culcairn NSW | Glendale Technology High School Glendale NSW |
|---|---|---|
| Success Index | 29 Lower 50% | 38 Lower 50% |
| State rank (type) | #436 of 539 | #354 of 539 |
| National rank (type) | #1193 of 1,472 | #998 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 312 | 802 |
| Girls / boys | 157 / 155 | 396 / 406 |
| Foundation intake | – | – |
| Year 7 cohort | 48 | 173 |
| Year 12 cohort | 30 | 83 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -17% | +0% |
| ICSEA Average 1000 | 946 | 946 |
| ICSEA percentile | 23th | 23th |
| Top SEA quarter | 3% | 6% |
| Bottom SEA quarter | 51% | 46% |
| Students per teacher | 8.8 | 11.4 |
| Teaching staff (FTE) | 35.6 | 70.4 |
| Non-teaching staff (FTE) | 10.6 | 19.5 |
| Language background other than English | 3% | 9% |
| Indigenous students | 11% | 17% |
| Suburb | Culcairn 2660 | Glendale 2285 |
| Council area | Greater Hume | Lake Macquarie |
| Remoteness | Inner Regional | Major Cities |
| Website | billabong-h.schools.nsw.gov.au | glendale-h.schools.nsw.gov.au |
The verdict
- •Glendale Technology High School scores higher on the Success Index (38.0 vs 29.3).
- •Billabong High School has fewer students per teacher (8.8 vs 11.4).
- •Glendale Technology High School is the larger school with 802 students compared with 312.
- •Glendale Technology High School has grown faster over five years (0% vs -17%).
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 Billabong High School better than Glendale Technology High School?
On the Success Index, Glendale Technology High School ranks higher (38.0 vs 29.3 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 Billabong High School and Glendale Technology High School?
About 520 km in a straight line, between Culcairn and Glendale in New South Wales.
Which has the better student-to-teacher ratio?
Billabong High School has 8.8 students per full-time-equivalent teacher and Glendale Technology High School has 11.4.
How do Billabong High School and Glendale Technology High School rank in NSW?
Billabong High School is 436th of 539 and Glendale Technology High School is 354th of 539 among secondary schools in New South Wales on the 2025 Success Index.