Birkdale Intermediate vs Chelsea School
A head-to-head comparison of two schools in Auckland, New Zealand, 2.3 km apart, using official New Zealand 2026 data. The better value in each row is highlighted.
Birkdale Intermediate
Birkdale · State intermediate · Years 7–8
232 students
Chelsea School
Birkenhead · State contributing · Years 1–6
401 students
| Measure | Birkdale Intermediate Birkdale, Auckland | Chelsea School Birkenhead, Auckland |
|---|---|---|
| Success Index (NZ) | 47 Lower 50% | 81 Top 10% |
| Region rank | #272 of 390 | #70 of 390 |
| National rank | #950 of 1,559 | #115 of 1,559 |
| Sector | State | State |
| Type | Intermediate | Contributing |
| Year range | Years 7–8 | Years 1–6 |
| Students | 232 | 401 |
| Equity Index (EQI) | 455 | 352 |
| Total roll | 232 | 401 |
| Roll growth (5 yrs) | -48.6% | -1.3% |
| Leavers with NCEA Level 2+ | – | – |
| Leavers with NCEA Level 3+ | – | – |
| Leavers with University Entrance | – | – |
| Māori students | 24.1% | 6.5% |
| Pacific students | 24.6% | 3.2% |
| International students | 0% | 1.5% |
| suburb or town | Birkdale | Birkenhead |
| region | Auckland | Auckland |
| Website | www.bis.school.nz | www.chelsea.school.nz/ |
The verdict
- •Chelsea School scores higher on the Success Index (NZ) (81.0 vs 46.9).
- •Chelsea School does better on equity index (fewer barriers is higher) (352 vs 455).
- •Chelsea School does better on roll size (401 vs 232).
- •Chelsea School does better on roll growth (5 years) (-1.3% vs -48.6%).
- •Chelsea School is the larger school with 401 students compared with 232.
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 Birkdale Intermediate better than Chelsea School?
On the Success Index (NZ), Chelsea School ranks higher (81.0 vs 46.9 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 Birkdale Intermediate and Chelsea School?
About 2.3 km in a straight line, between Birkdale and Birkenhead in Auckland.
Which has the better Equity Index (EQI)?
Birkdale Intermediate: 455. Chelsea School: 352. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
How do Birkdale Intermediate and Chelsea School rank in Auckland?
Birkdale Intermediate is 272nd of 390 and Chelsea School is 70th of 390 among intermediate schools in Auckland on the 2026 Success Index (NZ).