Marlborough Boys' College vs St Mary's School (Blenheim)
A head-to-head comparison of two schools in Marlborough, New Zealand, 246 m apart, using official New Zealand 2026 data. The better value in each row is highlighted.
Marlborough Boys' College
Blenheim · State secondary (year 9-15) · Years 9–13
999 students
St Mary's School (Blenheim)
Blenheim · State integrated full primary · Years 1–8
176 students
| Measure | Marlborough Boys' College Blenheim, Marlborough | St Mary's School (Blenheim) Blenheim, Marlborough |
|---|---|---|
| Success Index (NZ) | 53 Top 50% | 60 Top 50% |
| Region rank | #3 of 5 | #4 of 17 |
| National rank | #217 of 486 | #622 of 1,559 |
| Sector | State | State integrated |
| Type | Secondary (Year 9-15) | Full Primary |
| Year range | Years 9–13 | Years 1–8 |
| Students | 999 | 176 |
| Equity Index (EQI) | 456 | 440 |
| Total roll | 999 | 176 |
| Roll growth (5 yrs) | 9.4% | 7.1% |
| Leavers with NCEA Level 2+ | 71.1% | – |
| Leavers with NCEA Level 3+ | – | – |
| Leavers with University Entrance | 44.4% | – |
| Māori students | 23.9% | 19.3% |
| Pacific students | 10.6% | 17% |
| International students | 0.8% | 0% |
| suburb or town | Blenheim | Blenheim |
| region | Marlborough | Marlborough |
| Website | www.marlboroughboys.school.nz | stmb.school.nz/ |
The verdict
- •St Mary's School (Blenheim) scores higher on the Success Index (NZ) (60.3 vs 52.8).
- •St Mary's School (Blenheim) does better on equity index (fewer barriers is higher) (440 vs 456).
- •Marlborough Boys' College does better on roll size (999 vs 176).
- •Marlborough Boys' College does better on roll growth (5 years) (9.4% vs 7.1%).
- •Marlborough Boys' College is the larger school with 999 students compared with 176.
- •Marlborough Boys' College is a state school while St Mary's School (Blenheim) is a state integrated school, so fees and admission rules differ.
- •Marlborough Boys' College is boys and St Mary's School (Blenheim) is co-educational.
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 Marlborough Boys' College better than St Mary's School (Blenheim)?
On the Success Index (NZ), St Mary's School (Blenheim) ranks higher (60.3 vs 52.8 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 Marlborough Boys' College and St Mary's School (Blenheim)?
About 246 m in a straight line, between Blenheim and Blenheim in Marlborough.
Which has the better Equity Index (EQI)?
Marlborough Boys' College: 456. St Mary's School (Blenheim): 440. Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
How do Marlborough Boys' College and St Mary's School (Blenheim) rank in Marlborough?
Marlborough Boys' College is 3rd of 5 and St Mary's School (Blenheim) is 4th of 17 among secondary (year 9-15) schools in Marlborough on the 2026 Success Index (NZ).