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One Tree Hill College vs Oranga School

A head-to-head comparison of two schools in Auckland, New Zealand, 780 m apart, using official New Zealand 2026 data. The better value in each row is highlighted.

MeasureOne Tree Hill College
Penrose, Auckland
Oranga School
One Tree Hill, Auckland
Success Index (NZ)
58
Top 50%
56
Top 50%
Region rank#60 of 101#232 of 390
National rank#186 of 486#726 of 1,559
SectorStateState
TypeSecondary (Year 9-15)Contributing
Year rangeYears 9–13Years 1–6
Students1,479226
Equity Index (EQI)466437
Total roll1,479226
Roll growth (5 yrs)26.2%-27.4%
Leavers with NCEA Level 2+79.2%–
Leavers with NCEA Level 3+––
Leavers with University Entrance64.8%–
Māori students17.3%16.8%
Pacific students33.1%48.2%
International students2.2%0%
suburb or townPenroseOne Tree Hill
regionAucklandAuckland
Websitewww.onetreehillcollege.school.nzwww.oranga.school.nz

The verdict

  • •One Tree Hill College scores higher on the Success Index (NZ) (57.8 vs 55.9).
  • •Oranga School does better on equity index (fewer barriers is higher) (437 vs 466).
  • •One Tree Hill College does better on roll size (1,479 vs 226).
  • •One Tree Hill College does better on roll growth (5 years) (26.2% vs -27.4%).
  • •One Tree Hill College is the larger school with 1,479 students compared with 226.

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 One Tree Hill College better than Oranga School?

On the Success Index (NZ), One Tree Hill College ranks higher (57.8 vs 55.9 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 One Tree Hill College and Oranga School?

About 780 m in a straight line, between Penrose and One Tree Hill in Auckland.

Which has the better Equity Index (EQI)?

One Tree Hill College: 466. Oranga School: 437. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.

How do One Tree Hill College and Oranga School rank in Auckland?

One Tree Hill College is 60th of 101 and Oranga School is 232nd of 390 among secondary (year 9-15) schools in Auckland on the 2026 Success Index (NZ).