Gungahlin College vs Harrison School
A head-to-head comparison of two schools in Australian Capital Territory, 2.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Gungahlin College
Gungahlin · Government high school · 10-12
1,070 students · ICSEA 1061
Harrison School
Harrison · Government combined · K-10
1,365 students · ICSEA 1058
| Measure | Gungahlin College Gungahlin ACT | Harrison School Harrison ACT |
|---|---|---|
| Success Index | 61 Top 50% | 45 Lower 50% |
| State rank (type) | #24 of 27 | #19 of 23 |
| National rank (type) | #487 of 1,472 | #755 of 1,259 |
| Sector | Government | Government |
| Type | Secondary | Combined |
| Year range | 10-12 | K-10 |
| Students | 1,070 | 1,365 |
| Girls / boys | 555 / 515 | 657 / 708 |
| Foundation intake | – | 86 |
| Year 7 cohort | – | 129 |
| Year 12 cohort | 496 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -8% | -23% |
| ICSEA Average 1000 | 1061 | 1058 |
| ICSEA percentile | 72th | 71th |
| Top SEA quarter | 28% | 27% |
| Bottom SEA quarter | 16% | 16% |
| Students per teacher | 13.4 | 14.6 |
| Teaching staff (FTE) | 75.3 | 93.4 |
| Non-teaching staff (FTE) | 24.7 | 42.5 |
| Language background other than English | 37% | 55% |
| Indigenous students | 3% | 3% |
| Suburb | Gungahlin 2912 | Harrison 2914 |
| Council area | Unincorporated ACT | Unincorporated ACT |
| Remoteness | Major Cities | Major Cities |
| Website | www.gungahlincollege.act.edu.au | www.harrison.act.edu.au/ |
The verdict
- •Gungahlin College scores higher on the Success Index (61.2 vs 45.4).
- •Gungahlin College has the higher ICSEA (1061 vs 1058), indicating a more advantaged community.
- •Gungahlin College has fewer students per teacher (13.4 vs 14.6).
- •Harrison School is the larger school with 1,365 students compared with 1,070.
- •Gungahlin College has grown faster over five years (-8% vs -23%).
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 Gungahlin College better than Harrison School?
On the Success Index, Gungahlin College ranks higher (61.2 vs 45.4 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 Gungahlin College and Harrison School?
About 2.3 km in a straight line, between Gungahlin and Harrison in Australian Capital Territory.
Which has the better student-to-teacher ratio?
Gungahlin College has 13.4 students per full-time-equivalent teacher and Harrison School has 14.6.
How do Gungahlin College and Harrison School rank in ACT?
Gungahlin College is 24th of 27 and Harrison School is 19th of 23 among secondary schools in Australian Capital Territory on the 2025 Success Index.