Seddon School
🇳🇿 Official data · 2026Seddon, Marlborough 7210 · Marlborough District
#7 of 17 full primary schools in Marlborough
#808 of 1,559 nationally
About Seddon School
Seddon School is a state full primary located in Seddon, in the Marlborough District territorial authority of Marlborough, New Zealand. It caters for Years 1–8. In 2026 it enrolled 127 students. Government-funded schools, free to attend apart from donations and activity fees.
Its Success Index (NZ) is 52.8 out of 100, placing it in the top 50% of full primary schools in New Zealand and 7th of 17 ranked full primary schools in Marlborough. Its strongest component is equity index (fewer barriers is higher) (61th percentile), and its weakest is roll size (34th percentile).
Other published figures: māori students 21.3%; pacific students 3.1%; international students 0%.
Success Index (NZ) breakdown
Each component is a percentile against full primary schools across New Zealand.
- Equity Index (fewer barriers is higher) (45%)440
- Roll size (10%)127
- Roll growth (5 years) (15%)-20%
- School leavers with NCEA Level 2+ (20%)–
- School leavers with University Entrance (10%)–
The Success Index (NZ) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Seddon School by the official sources.
- Equity Index (EQI)
- 440
- Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
- Total roll
- 127
- Total enrolled students.
- Roll growth (5 yrs)
- -20%
- Change in total roll over five years.
- Māori students
- 21.3%
- Share of roll identifying as Māori.
- Pacific students
- 3.1%
- Share of roll identifying as Pacific peoples.
- International students
- 0%
- Share of roll who are international fee-paying students.
Total roll trend
How total roll at Seddon School has changed over time.
Free academic assessment
Is your child on track for NCEA?
Success Tutoring runs personalised English and Maths tutoring for Years 1–13 in New Zealand. Start with a free assessment mapped to the New Zealand Curriculum.
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Similar schools
State full primary schools in Marlborough with a comparable Equity Index (EQI).
Grovetown School
Grovetown · State contributing · Years 1–6
71 students
Ward School
Ward · State full primary · Years 1–8
52 students
Springlands School
Blenheim · State contributing · Years 1–6
356 students
Tua Marina School
Blenheim · State full primary · Years 1–8
100 students
Renwick School
Renwick · State full primary · Years 1–8
442 students
Waitaria Bay School
Picton · State full primary · Years 1–8
12 students
Frequently asked questions
Is Seddon School a good school?
Seddon School has a Success Index (NZ) of 52.8 out of 100 (Top 50% of full primary schools in New Zealand) and ranks #7 of 17 in Marlborough. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Seddon School rank in Marlborough?
Seddon School ranks #7 of 17 full primary schools in Marlborough and #808 of 1,559 nationally on the Success Index (NZ) (2026 data).
How many students attend Seddon School?
Seddon School had 127 students in 2026, a change of -20% over five years.
Is Seddon School a primary school or a secondary school?
Seddon School is classified as a full primary covering Years 1–8. It is a state school.