Greytown School vs St Mary's School (Carterton)
A head-to-head comparison of two full primary schools in Wellington, New Zealand, 7.8 km apart, using official New Zealand 2026 data. The better value in each row is highlighted.
Greytown School
Greytown · State full primary · Years 1–8
311 students
St Mary's School (Carterton)
Carterton · State integrated full primary · Years 1–8
139 students
| Measure | Greytown School Greytown, Wellington | St Mary's School (Carterton) Carterton, Wellington |
|---|---|---|
| Success Index (NZ) | 66 Top 50% | 56 Top 50% |
| Region rank | #82 of 176 | #109 of 176 |
| National rank | #471 of 1,559 | #716 of 1,559 |
| Sector | State | State integrated |
| Type | Full Primary | Full Primary |
| Year range | Years 1–8 | Years 1–8 |
| Students | 311 | 139 |
| Equity Index (EQI) | 414 | 433 |
| Total roll | 311 | 139 |
| Roll growth (5 yrs) | -11.8% | -6.8% |
| Leavers with NCEA Level 2+ | – | – |
| Leavers with NCEA Level 3+ | – | – |
| Leavers with University Entrance | – | – |
| Māori students | 12.2% | 11.5% |
| Pacific students | 3.9% | 10.1% |
| International students | 0% | 0% |
| suburb or town | Greytown | Carterton |
| region | Wellington | Wellington |
| Website | www.greytown.school.nz | www.saintmarys.school.nz |
The verdict
- •Greytown School scores higher on the Success Index (NZ) (66.3 vs 56.4).
- •Greytown School does better on equity index (fewer barriers is higher) (414 vs 433).
- •Greytown School does better on roll size (311 vs 139).
- •St Mary's School (Carterton) does better on roll growth (5 years) (-6.8% vs -11.8%).
- •Greytown School is the larger school with 311 students compared with 139.
- •Greytown School is a state school while St Mary's School (Carterton) is a state integrated school, so fees and admission rules differ.
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 Greytown School better than St Mary's School (Carterton)?
On the Success Index (NZ), Greytown School ranks higher (66.3 vs 56.4 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 Greytown School and St Mary's School (Carterton)?
About 7.8 km in a straight line, between Greytown and Carterton in Wellington.
Which has the better Equity Index (EQI)?
Greytown School: 414. St Mary's School (Carterton): 433. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
How do Greytown School and St Mary's School (Carterton) rank in Wellington?
Greytown School is 82nd of 176 and St Mary's School (Carterton) is 109th of 176 among full primary schools in Wellington on the 2026 Success Index (NZ).