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Grovetown School vs Seddon School

A head-to-head comparison of two schools in Marlborough, New Zealand, 23 km apart, using official New Zealand 2026 data. The better value in each row is highlighted.

MeasureGrovetown School
Grovetown, Marlborough
Seddon School
Seddon, Marlborough
Success Index (NZ)
52
Top 50%
53
Top 50%
Region rank#9 of 17#7 of 17
National rank#835 of 1,559#808 of 1,559
SectorStateState
TypeContributingFull Primary
Year rangeYears 1–6Years 1–8
Students71127
Equity Index (EQI)440440
Total roll71127
Roll growth (5 yrs)-14.3%-20%
Leavers with NCEA Level 2+––
Leavers with NCEA Level 3+––
Leavers with University Entrance––
Māori students23.9%21.3%
Pacific students2.8%3.1%
International students0%0%
suburb or townGrovetownSeddon
regionMarlboroughMarlborough
Websitewww.grovetown.school.nzwww.seddon.school.nz

The verdict

  • •Seddon School scores higher on the Success Index (NZ) (52.8 vs 51.7).
  • •Seddon School does better on roll size (127 vs 71).
  • •Grovetown School does better on roll growth (5 years) (-14.3% vs -20%).
  • •Seddon School is the larger school with 127 students compared with 71.

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 Grovetown School better than Seddon School?

On the Success Index (NZ), Seddon School ranks higher (52.8 vs 51.7 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 Grovetown School and Seddon School?

About 23 km in a straight line, between Grovetown and Seddon in Marlborough.

Which has the better Equity Index (EQI)?

Grovetown School: 440. Seddon School: 440. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.

How do Grovetown School and Seddon School rank in Marlborough?

Grovetown School is 9th of 17 and Seddon School is 7th of 17 among contributing schools in Marlborough on the 2026 Success Index (NZ).