Sumner School
🇳🇿 Official data · 2026Sumner, Canterbury 8840 · Christchurch City
#35 of 187 full primary schools in Canterbury
#275 of 1,559 nationally
About Sumner School
Sumner School is a state full primary located in Sumner, in the Christchurch City territorial authority of Canterbury, New Zealand. It caters for Years 1–8. In 2026 it enrolled 323 students. Government-funded schools, free to attend apart from donations and activity fees.
Its Success Index (NZ) is 75.1 out of 100, placing it in the top 25% of full primary schools in New Zealand and 35th of 187 ranked full primary schools in Canterbury. Its strongest component is equity index (fewer barriers is higher) (92th percentile), and its weakest is roll growth (5 years) (28th percentile).
Other published figures: māori students 7.7%; pacific students 1.5%; international students 0.3%.
There are 3 schools in Sumner; Sumner School ranks 1st of 2 scored schools there.
Success Index (NZ) breakdown
Each component is a percentile against full primary schools across New Zealand.
- Equity Index (fewer barriers is higher) (45%)382
- Roll size (10%)323
- Roll growth (5 years) (15%)-17.2%
- 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 Sumner School by the official sources.
- Equity Index (EQI)
- 382
- Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
- Total roll
- 323
- Total enrolled students.
- Roll growth (5 yrs)
- -17.2%
- Change in total roll over five years.
- Māori students
- 7.7%
- Share of roll identifying as Māori.
- Pacific students
- 1.5%
- Share of roll identifying as Pacific peoples.
- International students
- 0.3%
- Share of roll who are international fee-paying students.
Total roll trend
How total roll at Sumner 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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Schools near Sumner School
Closest schools by straight-line distance, with their Success Index (NZ).
Our Lady Star of the Sea School (Christchurch)
Sumner · State integrated full primary · Years 1–8
106 students · 306 m away
Ko Taku Reo - Deaf Education New Zealand
Sumner · State special school
102 students · 809 m away
Te Raekura Redcliffs School
Redcliffs · State full primary · Years 1–8
264 students · 2.8 km away
Mt Pleasant School
Mt Pleasant · State full primary · Years 1–8
398 students · 3.7 km away
Heathcote Valley School
Heathcote Valley · State full primary · Years 1–8
188 students · 4.2 km away
Lyttelton Primary School
Lyttelton · State full primary · Years 1–8
134 students · 4.4 km away
South New Brighton School
South New Brighton · State full primary · Years 1–8
393 students · 5.6 km away
Ngutuawa School
Woolston · State full primary · Years 1–8
132 students · 6.2 km away
Tamariki School
Woolston · State integrated full primary · Years 1–8
51 students · 6.4 km away
St Anne's School (Woolston)
Woolston · State integrated full primary · Years 1–8
182 students · 6.5 km away
Similar schools
State full primary schools in Canterbury with a comparable Equity Index (EQI).
Westburn Te Kura O Hereora
Ilam · State full primary · Years 1–8
484 students
Prebbleton School
Prebbleton · State full primary · Years 1–8
573 students
Te Kura o te Tauawa Halswell School
Halswell · State full primary · Years 1–8
740 students
Knights Stream School- Mingimingi Hautoa
Halswell · State full primary · Years 1–8
682 students
Te Kura o Ōhinetahi - Governors Bay
Governors Bay · State full primary · Years 1–8
93 students
Te Kura o Huriawa Thorrington
Cashmere · State contributing · Years 1–6
456 students
Frequently asked questions
Is Sumner School a good school?
Sumner School has a Success Index (NZ) of 75.1 out of 100 (Top 25% of full primary schools in New Zealand) and ranks #35 of 187 in Canterbury. 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 Sumner School rank in Canterbury?
Sumner School ranks #35 of 187 full primary schools in Canterbury and #275 of 1,559 nationally on the Success Index (NZ) (2026 data).
How many students attend Sumner School?
Sumner School had 323 students in 2026, a change of -17% over five years.
Is Sumner School a primary school or a secondary school?
Sumner School is classified as a full primary covering Years 1–8. It is a state school.
What other schools are near Sumner School?
There are 10 schools within 15 km of Sumner School; they are listed on this page with their Success Index (NZ) and distance, and can be compared side by side.