Clarendon Primary School vs OneSchool Global SA
A head-to-head comparison of two schools in South Australia, 5.0 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Clarendon Primary School
Clarendon · Government primary · R-6
86 students · ICSEA 1042
OneSchool Global SA
Aberfoyle Park · Independent combined · 3-12
65 students · ICSEA 983
| Measure | Clarendon Primary School Clarendon SA | OneSchool Global SA Aberfoyle Park SA |
|---|---|---|
| Success Index | 59 Top 50% | 35 Lower 50% |
| State rank (type) | #135 of 348 | – |
| National rank (type) | #1974 of 4,908 | – |
| Sector | Government | Independent |
| Type | Primary | Combined |
| Year range | R-6 | 3-12 |
| Students | 86 | 65 |
| Girls / boys | 44 / 42 | 32 / 33 |
| Foundation intake | 18 | – |
| Year 7 cohort | – | 6 |
| Year 12 cohort | – | 7 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -9% | -40% |
| ICSEA Average 1000 | 1042 | 983 |
| ICSEA percentile | 65th | 39th |
| Top SEA quarter | 19% | 0% |
| Bottom SEA quarter | 17% | 40% |
| Students per teacher | 15.4 | 5.7 |
| Teaching staff (FTE) | 5.6 | 11.4 |
| Non-teaching staff (FTE) | 4.5 | 6.0 |
| Language background other than English | 1% | 0% |
| Indigenous students | 3% | 0% |
| Suburb | Clarendon 5157 | Aberfoyle Park 5159 |
| Council area | Onkaparinga | Onkaparinga |
| Remoteness | Inner Regional | Major Cities |
| Website | www.clarendonps.sa.edu.au | www.oneschoolglobal.com/ |
The verdict
- •Clarendon Primary School scores higher on the Success Index (59.4 vs 35.1).
- •Clarendon Primary School has the higher ICSEA (1042 vs 983), indicating a more advantaged community.
- •OneSchool Global SA has fewer students per teacher (5.7 vs 15.4).
- •Clarendon Primary School is the larger school with 86 students compared with 65.
- •Clarendon Primary School has grown faster over five years (-9% vs -40%).
- •Clarendon Primary School is a government school while OneSchool Global SA is an independent 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 Clarendon Primary School better than OneSchool Global SA?
On the Success Index, Clarendon Primary School ranks higher (59.4 vs 35.1 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 Clarendon Primary School and OneSchool Global SA?
About 5.0 km in a straight line, between Clarendon and Aberfoyle Park in South Australia.
Which has the better student-to-teacher ratio?
Clarendon Primary School has 15.4 students per full-time-equivalent teacher and OneSchool Global SA has 5.7.
How do Clarendon Primary School and OneSchool Global SA rank in SA?
Clarendon Primary School is 135th of 348 and OneSchool Global SA is unranked among primary schools in South Australia on the 2025 Success Index.