| Runs | Extras |
| 184 | 49 | Scotland Under-19s v Netherlands Under-19s | Oundle School Ground, Oundle | 2004 |
| 183 | 52 | Scotland Under-13s v Denmark Under-13s | Nykøbing Mors Cricket Stadium No 2, Nykøbing Mors | 2007 |
| 178 | 43 | Scotland Under-13s v Durham Under-13s | Myreside, Edinburgh | 2004 |
| 142 | 25 | Scotland Under-17s (1) v Lincolnshire Under-17s | Hamilton Crescent, Glasgow | 2009 |
| 140 | 24 | Scotland Under-19s v Ireland Under-19s | Sheikh Kamal International Cricket Stadium, Cox's Bazar | 2015/16 |
| 137 | 24 | Scotland Under-15s v Durham Under-15s | Myreside, Edinburgh | 2005 |
| 132 | 37 | Scotland Under-15s v Netherlands Under-15s | New Williamfield No 2, Stirling | 2011 |
| 132 | 36 | Scotland Under-15s v Yorkshire Under-15s | New Anniesland, Glasgow | 2009 |
| 128 | 24 | Scotland Under-19s v England Under-19s | ICC Cricket Academy Ground, Dubai | 2013/14 |
| 127 | 28 | Scotland Under-17s v Jersey Under-17s | Civil Service Cricket Club, Stormont, Belfast | 2009 |
| 122 | 32 | Scotland Under-13s v Netherlands Under-13s | Lochside Park, Forfar | 2004 |
| 120 | 31 | Scotland Under-17s v Ireland Under-17s | Sportpark Het Schootsveld, Deventer | 1999 |
| 119 | 31 | Scotland Under-19s v United Arab Emirates Under-19s | Sheikh Zayed Stadium, Abu Dhabi | 2013/14 |
| 119 | 28 | Scotland Under-19s v Ireland Under-19s | FB Fields, St Clement | 2015 |
| 118 | 20 | Scotland Under-19s v ECB Under-17s | Sportpark Het Schootsveld, Deventer | 2003 |
| 117 | 32 | Scotland Under-15s v Ireland Under-15s | Sportpark Het Schootsveld, Deventer | 2007 |
| 112 | 22 | Scotland Under-19s v Grange | Raeburn Place, Edinburgh | 2009 |
| 107 | 24 | Scotland Under-15s v Durham Under-15s | Blackfyne, Blackhill, Consett | 2012 |
| 104 | 25 | Scotland Under-23s v Ireland Under-23s | Meikleriggs, Paisley | 2007 |
| 103 | 27 | Scotland Under-19s v India Under-19s | Lenasia Stadium, Johannesburg | 1997/98 |
| 97 | 22 | Scotland Under-19s v Poloc | Shawholm, Glasgow | 2008 |
| 86 | 34 | Scotland Under-19s v England Under-17s | National Stadium, Hamilton | 1997 |
| 85 | 32 | Scotland Under-12s v Staffordshire Under-12s | Ampleforth College, Ampleforth | 2004 |
| 79 | 19 | Scotland Under-19s v Ireland Under-19s | Oundle School Ground, Oundle | 2004 |
| 51 | 19 | Scotland Under-15s v Durham Under-15s | Goldenacre, Edinburgh | 2013 |
| 44 | 20 | Scotland Under-12s v London Schools Under-12s | Ampleforth College, Ampleforth | 2004 |
| 37 | 12 | Scotland Under-15s v Netherlands Under-15s | Herning Ground No 1, Herning | 2004 |
| 22 | 10 | Scotland Under-19s v Australia Under-19s | MA Aziz Stadium, Chittagong | 2003/04 |
