Mt Roskill Grammar vs Twin Oaks Classical School
A head-to-head comparison of two schools in Auckland, New Zealand, 786 m apart, using official New Zealand 2026 data. The better value in each row is highlighted.
Mt Roskill Grammar
Mount Roskill · State secondary (year 9-15) · Years 9–13
1,929 students
Twin Oaks Classical School
Mt Roskill · Charter composite · Years 1–13
108 students
| Measure | Mt Roskill Grammar Mount Roskill, Auckland | Twin Oaks Classical School Mt Roskill, Auckland |
|---|---|---|
| Success Index (NZ) | 61 Top 50% | 82 Top 10% |
| Region rank | #53 of 101 | #19 of 101 |
| National rank | #159 of 486 | #30 of 486 |
| Sector | State | Charter |
| Type | Secondary (Year 9-15) | Composite |
| Year range | Years 9–13 | Years 1–13 |
| Students | 1,929 | 108 |
| Equity Index (EQI) | 444 | 384 |
| Total roll | 1,929 | 108 |
| Roll growth (5 yrs) | -4.3% | – |
| Leavers with NCEA Level 2+ | 84.4% | – |
| Leavers with NCEA Level 3+ | – | – |
| Leavers with University Entrance | 65.8% | – |
| Māori students | 8.4% | 4.6% |
| Pacific students | 25.5% | 7.4% |
| International students | 3.5% | 0% |
| suburb or town | Mount Roskill | Mt Roskill |
| region | Auckland | Auckland |
| Website | www.mrgs.school.nz | www.twinoaks.school.nz/ |
The verdict
- •Twin Oaks Classical School scores higher on the Success Index (NZ) (82.3 vs 61.3).
- •Twin Oaks Classical School does better on equity index (fewer barriers is higher) (384 vs 444).
- •Mt Roskill Grammar does better on roll size (1,929 vs 108).
- •Mt Roskill Grammar is the larger school with 1,929 students compared with 108.
- •Mt Roskill Grammar is a state school while Twin Oaks Classical School is a charter 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 Mt Roskill Grammar better than Twin Oaks Classical School?
On the Success Index (NZ), Twin Oaks Classical School ranks higher (82.3 vs 61.3 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 Mt Roskill Grammar and Twin Oaks Classical School?
About 786 m in a straight line, between Mount Roskill and Mt Roskill in Auckland.
Which has the better Equity Index (EQI)?
Mt Roskill Grammar: 444. Twin Oaks Classical School: 384. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
How do Mt Roskill Grammar and Twin Oaks Classical School rank in Auckland?
Mt Roskill Grammar is 53rd of 101 and Twin Oaks Classical School is 19th of 101 among secondary (year 9-15) schools in Auckland on the 2026 Success Index (NZ).