Columba College vs St Mary's School (Dunedin)
A head-to-head comparison of two schools in Otago, New Zealand, 1.1 km apart, using official New Zealand 2026 data. The better value in each row is highlighted.
Columba College
Roslyn · State integrated composite · Years 1–13
607 students
St Mary's School (Dunedin)
Wakari · State integrated contributing · Years 1–6
60 students
| Measure | Columba College Roslyn, Otago | St Mary's School (Dunedin) Wakari, Otago |
|---|---|---|
| Success Index (NZ) | 79 Top 25% | 69 Top 25% |
| Region rank | #3 of 28 | #27 of 85 |
| National rank | #51 of 486 | #429 of 1,559 |
| Sector | State integrated | State integrated |
| Type | Composite | Contributing |
| Year range | Years 1–13 | Years 1–6 |
| Students | 607 | 60 |
| Equity Index (EQI) | 391 | 403 |
| Total roll | 607 | 60 |
| Roll growth (5 yrs) | -3.4% | 48.7% |
| Leavers with NCEA Level 2+ | 98.3% | – |
| Leavers with NCEA Level 3+ | – | – |
| Leavers with University Entrance | 91.4% | – |
| Māori students | 8.2% | 1.7% |
| Pacific students | 5.1% | 3.3% |
| International students | 3.3% | 0% |
| suburb or town | Roslyn | Wakari |
| region | Otago | Otago |
| Website | www.columbacollege.school.nz | stmaryskaikorai.edublogs.org/ |
The verdict
- •Columba College scores higher on the Success Index (NZ) (79.3 vs 68.5).
- •Columba College does better on equity index (fewer barriers is higher) (391 vs 403).
- •Columba College does better on roll size (607 vs 60).
- •St Mary's School (Dunedin) does better on roll growth (5 years) (48.7% vs -3.4%).
- •Columba College is the larger school with 607 students compared with 60.
- •Columba College is girls and St Mary's School (Dunedin) is co-educational.
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 Columba College better than St Mary's School (Dunedin)?
On the Success Index (NZ), Columba College ranks higher (79.3 vs 68.5 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 Columba College and St Mary's School (Dunedin)?
About 1.1 km in a straight line, between Roslyn and Wakari in Otago.
Which has the better Equity Index (EQI)?
Columba College: 391. St Mary's School (Dunedin): 403. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
How do Columba College and St Mary's School (Dunedin) rank in Otago?
Columba College is 3rd of 28 and St Mary's School (Dunedin) is 27th of 85 among composite schools in Otago on the 2026 Success Index (NZ).