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Castlecliff School vs St Marcellin School (Wanganui)

A head-to-head comparison of two schools in Manawatū-Whanganui, New Zealand, 2.0 km apart, using official New Zealand 2026 data. The better value in each row is highlighted.

MeasureCastlecliff School
Castlecliff, Manawatū-Whanganui
St Marcellin School (Wanganui)
Whanganui, Manawatū-Whanganui
Success Index (NZ)
19
Lower 50%
26
Lower 50%
Region rank#106 of 111–
National rank#1517 of 1,559–
SectorStateState integrated
TypeContributingFull Primary
Year rangeYears 1–6Years 1–8
Students16353
Equity Index (EQI)535504
Total roll16353
Roll growth (5 yrs)-10.8%-6%
Leavers with NCEA Level 2+––
Leavers with NCEA Level 3+––
Leavers with University Entrance––
Māori students67.5%11.3%
Pacific students16%20.8%
International students0%0%
suburb or townCastlecliffWhanganui
regionManawatū-WhanganuiManawatū-Whanganui
Websitecastlecliff.school.nz/www.stmarcellin.school.nz/

The verdict

  • •St Marcellin School (Wanganui) scores higher on the Success Index (NZ) (25.6 vs 19.3).
  • •St Marcellin School (Wanganui) does better on equity index (fewer barriers is higher) (504 vs 535).
  • •Castlecliff School does better on roll size (163 vs 53).
  • •St Marcellin School (Wanganui) does better on roll growth (5 years) (-6% vs -10.8%).
  • •Castlecliff School is the larger school with 163 students compared with 53.
  • •Castlecliff School is a state school while St Marcellin School (Wanganui) 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 Castlecliff School better than St Marcellin School (Wanganui)?

On the Success Index (NZ), St Marcellin School (Wanganui) ranks higher (25.6 vs 19.3 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 Castlecliff School and St Marcellin School (Wanganui)?

About 2.0 km in a straight line, between Castlecliff and Whanganui in Manawatū-Whanganui.

Which has the better Equity Index (EQI)?

Castlecliff School: 535. St Marcellin School (Wanganui): 504. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.

How do Castlecliff School and St Marcellin School (Wanganui) rank in Manawatū-Whanganui?

Castlecliff School is 106th of 111 and St Marcellin School (Wanganui) is unranked among contributing schools in Manawatū-Whanganui on the 2026 Success Index (NZ).