O'Sullivan Beach Primary School vs Tarlee Primary School
A head-to-head comparison of two primary schools in South Australia, 99 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
O'Sullivan Beach Primary School
O'Sullivan Beach · Government primary · R-6
84 students · ICSEA 926
Tarlee Primary School
Tarlee · Government primary · R-6
10 students · ICSEA 926
| Measure | O'Sullivan Beach Primary School O'Sullivan Beach SA | Tarlee Primary School Tarlee SA |
|---|---|---|
| Success Index | 27 Lower 50% | 22 Lower 50% |
| State rank (type) | #309 of 348 | – |
| National rank (type) | #4338 of 4,908 | – |
| Sector | Government | Government |
| Type | Primary | Primary |
| Year range | R-6 | R-6 |
| Students | 84 | 10 |
| Girls / boys | 42 / 42 | 4 / 6 |
| Foundation intake | 15 | 1 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -30% | – |
| ICSEA Average 1000 | 926 | 926 |
| ICSEA percentile | 17th | 17th |
| Top SEA quarter | 2% | 6% |
| Bottom SEA quarter | 65% | 74% |
| Students per teacher | 12.0 | – |
| Teaching staff (FTE) | 7.0 | 2.0 |
| Non-teaching staff (FTE) | 6.3 | 2.1 |
| Language background other than English | 5% | 0% |
| Indigenous students | 12% | 10% |
| Suburb | O'Sullivan Beach 5166 | Tarlee 5411 |
| Council area | Onkaparinga | Clare and Gilbert Valleys |
| Remoteness | Major Cities | Inner Regional |
| Website | www.osbs.sa.edu.au | www.tarleeps.sa.edu.au |
The verdict
- •O'Sullivan Beach Primary School scores higher on the Success Index (27.2 vs 21.8).
- •O'Sullivan Beach Primary School is the larger school with 84 students compared with 10.
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 O'Sullivan Beach Primary School better than Tarlee Primary School?
On the Success Index, O'Sullivan Beach Primary School ranks higher (27.2 vs 21.8 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 O'Sullivan Beach Primary School and Tarlee Primary School?
About 99 km in a straight line, between O'Sullivan Beach and Tarlee in South Australia.
Which has the better student-to-teacher ratio?
Staffing data is not available for one of the schools.
How do O'Sullivan Beach Primary School and Tarlee Primary School rank in SA?
O'Sullivan Beach Primary School is 309th of 348 and Tarlee Primary School is unranked among primary schools in South Australia on the 2025 Success Index.