Altum Academy vs St Mary's College (Wellington)
A head-to-head comparison of two schools in Wellington, New Zealand, 1.6 km apart, using official New Zealand 2026 data. The better value in each row is highlighted.
Altum Academy
Wilton · Charter secondary (year 7-15) · Years 7–13
St Mary's College (Wellington)
Wellington CBD · State integrated secondary (year 9-15) · Years 9–13
556 students
| Measure | Altum Academy Wilton, Wellington | St Mary's College (Wellington) Wellington CBD, Wellington |
|---|---|---|
| Success Index (NZ) | 99 Top 5% | 68 Top 25% |
| Region rank | – | #21 of 46 |
| National rank | – | #112 of 486 |
| Sector | Charter | State integrated |
| Type | Secondary (Year 7-15) | Secondary (Year 9-15) |
| Year range | Years 7–13 | Years 9–13 |
| Students | – | 556 |
| Equity Index (EQI) | 375 | 429 |
| Total roll | – | 556 |
| Roll growth (5 yrs) | – | -9.8% |
| Leavers with NCEA Level 2+ | – | 93.3% |
| Leavers with NCEA Level 3+ | – | – |
| Leavers with University Entrance | – | 83.8% |
| Māori students | – | 21.8% |
| Pacific students | – | 41.5% |
| International students | – | 0.7% |
| suburb or town | Wilton | Wellington CBD |
| region | Wellington | Wellington |
| Website | www.altum.school.nz/ | www.stmw.school.nz/ |
The verdict
- •Altum Academy scores higher on the Success Index (NZ) (99.2 vs 68.4).
- •Altum Academy does better on equity index (fewer barriers is higher) (375 vs 429).
- •Altum Academy is a charter school while St Mary's College (Wellington) is a state integrated school, so fees and admission rules differ.
- •Altum Academy is co-educational and St Mary's College (Wellington) is girls.
The Success Index (NZ) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Altum Academy better than St Mary's College (Wellington)?
On the Success Index (NZ), Altum Academy ranks higher (99.2 vs 68.4 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Altum Academy and St Mary's College (Wellington)?
About 1.6 km in a straight line, between Wilton and Wellington CBD in Wellington.
Which has the better Equity Index (EQI)?
Altum Academy: 375. St Mary's College (Wellington): 429. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
How do Altum Academy and St Mary's College (Wellington) rank in Wellington?
Altum Academy is unranked and St Mary's College (Wellington) is 21st of 46 among secondary (year 7-15) schools in Wellington on the 2026 Success Index (NZ).