| 273 | BJ Watling (154) & BS Wilson (144*) | New Zealand Under-19s v Scotland Under-19s | Bangladesh Krira Shikkha Protisthan Ground, Savar | 2003/04 |
| 171 | [unknown] & [unknown] | New Zealand Under-19s v Australia Under-19s | Lancaster Park, Christchurch | 1992/93 |
| 163 | JJNP Bhula (83) & FH Allen (115*) | New Zealand Under-19s v West Indies Under-19s | Bay Oval, Mount Maunganui | 2017/18 |
| 156 | JJNP Bhula (180) & FH Allen (90) | New Zealand Under-19s v Kenya Under-19s | Hagley Oval, Christchurch | 2017/18 |
The list shows occurrences of 150 runs or more