Seaview High School vs Sunrise Christian School Marion
A head-to-head comparison of two schools in South Australia, 1.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Seaview High School
Seacombe Heights · Government high school · U, 7-12
1,377 students · ICSEA 1038
Sunrise Christian School Marion
Marion · Independent combined · R-9
320 students · ICSEA 1090
| Measure | Seaview High School Seacombe Heights SA | Sunrise Christian School Marion Marion SA |
|---|---|---|
| Success Index | 61 Top 50% | 59 Top 50% |
| State rank (type) | #24 of 84 | #32 of 145 |
| National rank (type) | #481 of 1,472 | #480 of 1,259 |
| Sector | Government | Independent |
| Type | Secondary | Combined |
| Year range | U, 7-12 | R-9 |
| Students | 1,377 | 320 |
| Girls / boys | 695 / 682 | 162 / 158 |
| Foundation intake | – | 23 |
| Year 7 cohort | 233 | 34 |
| Year 12 cohort | 215 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +57% | +32% |
| ICSEA Average 1000 | 1038 | 1090 |
| ICSEA percentile | 63th | 81th |
| Top SEA quarter | 17% | 35% |
| Bottom SEA quarter | 21% | 7% |
| Students per teacher | 15.3 | 14.4 |
| Teaching staff (FTE) | 89.9 | 22.2 |
| Non-teaching staff (FTE) | 34.2 | 15.1 |
| Language background other than English | 13% | 41% |
| Indigenous students | 2% | 1% |
| Suburb | Seacombe Heights 5047 | Marion 5043 |
| Council area | Marion | Marion |
| Remoteness | Major Cities | Major Cities |
| Website | www.seaviewhs.sa.edu.au | sunrise.sa.edu.au/marion/ |
The verdict
- •Seaview High School scores higher on the Success Index (61.3 vs 58.9).
- •Sunrise Christian School Marion has the higher ICSEA (1090 vs 1038), indicating a more advantaged community.
- •Sunrise Christian School Marion has fewer students per teacher (14.4 vs 15.3).
- •Seaview High School is the larger school with 1,377 students compared with 320.
- •Seaview High School has grown faster over five years (57% vs 32%).
- •Seaview High School is a government school while Sunrise Christian School Marion 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 Seaview High School better than Sunrise Christian School Marion?
On the Success Index, Seaview High School ranks higher (61.3 vs 58.9 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 Seaview High School and Sunrise Christian School Marion?
About 1.7 km in a straight line, between Seacombe Heights and Marion in South Australia.
Which has the better student-to-teacher ratio?
Seaview High School has 15.3 students per full-time-equivalent teacher and Sunrise Christian School Marion has 14.4.
How do Seaview High School and Sunrise Christian School Marion rank in SA?
Seaview High School is 24th of 84 and Sunrise Christian School Marion is 32nd of 145 among secondary schools in South Australia on the 2025 Success Index.