Noarlunga Downs Primary School vs Seaford Secondary College
A head-to-head comparison of two schools in South Australia, 4.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Noarlunga Downs Primary School
Noarlunga Downs · Government primary · U, R-6
124 students · ICSEA 937
Seaford Secondary College
Seaford · Government high school · U, 7-12
829 students · ICSEA 962
| Measure | Noarlunga Downs Primary School Noarlunga Downs SA | Seaford Secondary College Seaford SA |
|---|---|---|
| Success Index | 35 Lower 50% | 33 Lower 50% |
| State rank (type) | #264 of 348 | #61 of 84 |
| National rank (type) | #3792 of 4,908 | #1107 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | U, R-6 | U, 7-12 |
| Students | 124 | 829 |
| Girls / boys | 60 / 64 | 388 / 441 |
| Foundation intake | 23 | – |
| Year 7 cohort | – | 106 |
| Year 12 cohort | – | 104 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +3% | +1% |
| ICSEA Average 1000 | 937 | 962 |
| ICSEA percentile | 20th | 30th |
| Top SEA quarter | 6% | 5% |
| Bottom SEA quarter | 51% | 50% |
| Students per teacher | 10.9 | 13.3 |
| Teaching staff (FTE) | 11.4 | 62.5 |
| Non-teaching staff (FTE) | 10.4 | 39.1 |
| Language background other than English | 16% | 9% |
| Indigenous students | 21% | 7% |
| Suburb | Noarlunga Downs 5168 | Seaford 5169 |
| Council area | Onkaparinga | Onkaparinga |
| Remoteness | Major Cities | Major Cities |
| Website | www.ndownsps.sa.edu.au | www.seafordhs.sa.edu.au |
The verdict
- •Noarlunga Downs Primary School scores higher on the Success Index (34.8 vs 33.3).
- •Seaford Secondary College has the higher ICSEA (962 vs 937), indicating a more advantaged community.
- •Noarlunga Downs Primary School has fewer students per teacher (10.9 vs 13.3).
- •Seaford Secondary College is the larger school with 829 students compared with 124.
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 Noarlunga Downs Primary School better than Seaford Secondary College?
On the Success Index, Noarlunga Downs Primary School ranks higher (34.8 vs 33.3 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 Noarlunga Downs Primary School and Seaford Secondary College?
About 4.3 km in a straight line, between Noarlunga Downs and Seaford in South Australia.
Which has the better student-to-teacher ratio?
Noarlunga Downs Primary School has 10.9 students per full-time-equivalent teacher and Seaford Secondary College has 13.3.
How do Noarlunga Downs Primary School and Seaford Secondary College rank in SA?
Noarlunga Downs Primary School is 264th of 348 and Seaford Secondary College is 61st of 84 among primary schools in South Australia on the 2025 Success Index.