Oonoonba State School vs William Ross State High School
A head-to-head comparison of two schools in Queensland, 1.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Oonoonba State School
Idalia · Government primary · Prep-6
525 students · ICSEA 995
William Ross State High School
Annandale · Government high school · 7-12
862 students · ICSEA 955
| Measure | Oonoonba State School Idalia QLD | William Ross State High School Annandale QLD |
|---|---|---|
| Success Index | 48 Lower 50% | 35 Lower 50% |
| State rank (type) | #365 of 804 | #174 of 269 |
| National rank (type) | #2874 of 4,908 | #1074 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | Prep-6 | 7-12 |
| Students | 525 | 862 |
| Girls / boys | 264 / 261 | 420 / 442 |
| Foundation intake | 84 | – |
| Year 7 cohort | – | 163 |
| Year 12 cohort | – | 99 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +4% | +1% |
| ICSEA Average 1000 | 995 | 955 |
| ICSEA percentile | 45th | 27th |
| Top SEA quarter | 17% | 6% |
| Bottom SEA quarter | 29% | 42% |
| Students per teacher | 15.0 | 11.4 |
| Teaching staff (FTE) | 34.9 | 75.7 |
| Non-teaching staff (FTE) | 17.9 | 42.2 |
| Language background other than English | 17% | 10% |
| Indigenous students | 16% | 15% |
| Suburb | Idalia 4811 | Annandale 4814 |
| Council area | Townsville | Townsville |
| Remoteness | Outer Regional | Outer Regional |
| Website | oonoonbass.eq.edu.au | williamrossshs.eq.edu.au |
The verdict
- •Oonoonba State School scores higher on the Success Index (47.5 vs 34.6).
- •Oonoonba State School has the higher ICSEA (995 vs 955), indicating a more advantaged community.
- •William Ross State High School has fewer students per teacher (11.4 vs 15.0).
- •William Ross State High School is the larger school with 862 students compared with 525.
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 Oonoonba State School better than William Ross State High School?
On the Success Index, Oonoonba State School ranks higher (47.5 vs 34.6 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 Oonoonba State School and William Ross State High School?
About 1.7 km in a straight line, between Idalia and Annandale in Queensland.
Which has the better student-to-teacher ratio?
Oonoonba State School has 15.0 students per full-time-equivalent teacher and William Ross State High School has 11.4.
How do Oonoonba State School and William Ross State High School rank in QLD?
Oonoonba State School is 365th of 804 and William Ross State High School is 174th of 269 among primary schools in Queensland on the 2025 Success Index.