Glenfield College vs One Tree Hill College
A head-to-head comparison of two secondary (year 9-15) schools in Auckland, New Zealand, 16 km apart, using official New Zealand 2026 data. The better value in each row is highlighted.
Glenfield College
Glenfield · State secondary (year 9-15) · Years 9–13
782 students
One Tree Hill College
Penrose · State secondary (year 9-15) · Years 9–13
1,479 students
| Measure | Glenfield College Glenfield, Auckland | One Tree Hill College Penrose, Auckland |
|---|---|---|
| Success Index (NZ) | 61 Top 50% | 58 Top 50% |
| Region rank | #54 of 101 | #60 of 101 |
| National rank | #165 of 486 | #186 of 486 |
| Sector | State | State |
| Type | Secondary (Year 9-15) | Secondary (Year 9-15) |
| Year range | Years 9–13 | Years 9–13 |
| Students | 782 | 1,479 |
| Equity Index (EQI) | 466 | 466 |
| Total roll | 782 | 1,479 |
| Roll growth (5 yrs) | 56.9% | 26.2% |
| Leavers with NCEA Level 2+ | 85.7% | 79.2% |
| Leavers with NCEA Level 3+ | – | – |
| Leavers with University Entrance | 72.1% | 64.8% |
| Māori students | 13.9% | 17.3% |
| Pacific students | 11.6% | 33.1% |
| International students | 1.9% | 2.2% |
| suburb or town | Glenfield | Penrose |
| region | Auckland | Auckland |
| Website | www.gc.ac.nz/ | www.onetreehillcollege.school.nz |
The verdict
- •Glenfield College scores higher on the Success Index (NZ) (60.7 vs 57.8).
- •One Tree Hill College does better on roll size (1,479 vs 782).
- •Glenfield College does better on roll growth (5 years) (56.9% vs 26.2%).
- •Glenfield College does better on school leavers with ncea level 2+ (85.7% vs 79.2%).
- •One Tree Hill College is the larger school with 1,479 students compared with 782.
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 Glenfield College better than One Tree Hill College?
On the Success Index (NZ), Glenfield College ranks higher (60.7 vs 57.8 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 Glenfield College and One Tree Hill College?
About 16 km in a straight line, between Glenfield and Penrose in Auckland.
Which has the better Equity Index (EQI)?
Glenfield College: 466. One Tree Hill College: 466. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
How do Glenfield College and One Tree Hill College rank in Auckland?
Glenfield College is 54th of 101 and One Tree Hill College is 60th of 101 among secondary (year 9-15) schools in Auckland on the 2026 Success Index (NZ).