Iona College Geelong vs Oberon High School
A head-to-head comparison of two secondary schools in Victoria, 1.4 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Iona College Geelong
Charlemont · Catholic high school · 7-12
1,332 students · ICSEA 1078
Oberon High School
Armstrong Creek · Government high school · 7-12
1,074 students · ICSEA 1023
| Measure | Iona College Geelong Charlemont VIC | Oberon High School Armstrong Creek VIC |
|---|---|---|
| Success Index | 76 Top 25% | 59 Top 50% |
| State rank (type) | #69 of 348 | #162 of 348 |
| National rank (type) | #157 of 1,472 | #545 of 1,472 |
| Sector | Catholic | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 1,332 | 1,074 |
| Girls / boys | 630 / 702 | 487 / 587 |
| Foundation intake | – | – |
| Year 7 cohort | 305 | 180 |
| Year 12 cohort | 144 | 133 |
| VCE median study score VCAA, latest year | 28 | 28 |
| VCE study scores 40+ | 3.6% | 4% |
| 5-year enrolment growth | +776% | +44% |
| ICSEA Average 1000 | 1078 | 1023 |
| ICSEA percentile | 78th | 57th |
| Top SEA quarter | 27% | 15% |
| Bottom SEA quarter | 9% | 26% |
| Students per teacher | 13.1 | 12.6 |
| Teaching staff (FTE) | 101.9 | 85.0 |
| Non-teaching staff (FTE) | 76.6 | 33.0 |
| Language background other than English | 4% | 17% |
| Indigenous students | 1% | 2% |
| Suburb | Charlemont 3217 | Armstrong Creek 3217 |
| Council area | Greater Geelong | Greater Geelong |
| Remoteness | Major Cities | Major Cities |
| Website | iona.vic.edu.au/ | oberonhs.vic.edu.au/ |
The verdict
- •Iona College Geelong scores higher on the Success Index (75.5 vs 58.8).
- •Iona College Geelong has the higher ICSEA (1078 vs 1023), indicating a more advantaged community.
- •Iona College Geelong is the larger school with 1,332 students compared with 1,074.
- •Iona College Geelong has grown faster over five years (776% vs 44%).
- •Iona College Geelong is a catholic school while Oberon High School is a government 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 Iona College Geelong better than Oberon High School?
On the Success Index, Iona College Geelong ranks higher (75.5 vs 58.8 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 Iona College Geelong and Oberon High School?
About 1.4 km in a straight line, between Charlemont and Armstrong Creek in Victoria.
Which has the better student-to-teacher ratio?
Iona College Geelong has 13.1 students per full-time-equivalent teacher and Oberon High School has 12.6.
How do Iona College Geelong and Oberon High School rank in VIC?
Iona College Geelong is 69th of 348 and Oberon High School is 162nd of 348 among secondary schools in Victoria on the 2025 Success Index.