| Inns | HS |
| 309-6 | 69 | Afghanistan Under-19s v New Zealand Under-19s | Hagley Oval, Christchurch | 2017/18 |
| 298 | 88 | Afghanistan Under-19s v Sri Lanka Under-19s | Tolerance Oval, Abu Dhabi | 2022/23 |
| 284-7 | 86 | Afghanistan Under-19s v Sri Lanka Under-19s | Cobham Oval (New), Whangarei | 2017/18 |
| 265-6 | 87 | Afghanistan Under-19s v United Arab Emirates Under-19s | Absa Puk Oval, Potchefstroom | 2019/20 |
| 259-4 | 86* | Afghanistan Under-19s v India Under-19s | ICC Cricket Academy Ground No 2, Dubai | 2021/22 |
| 253 | 75 | Afghanistan Under-19s v Australia Under-19s | Sheikh Zayed Stadium Nursery 2, Abu Dhabi | 2013/14 |
| 250-9 | 79 | Afghanistan Under-19s v Pakistan Under-19s | ICC Cricket Academy Ground, Dubai | 2024/25 |
| 244-6 | 58* | Afghanistan Under-19s v Papua New Guinea Under-19s | Allan Border Field, Brisbane | 2012 |
| 241 | 93 | Afghanistan Under-19s v Bangladesh Under-19s | Tolerance Oval, Abu Dhabi | 2022/23 |
| 239-6 | 83 | Afghanistan Under-19s v Bangladesh Under-19s | Shere Bangla National Stadium, Mirpur | 2017/18 |
| 232 | 68 | Afghanistan Under-19s v Sri Lanka Under-19s | Tolerance Oval, Abu Dhabi | 2022/23 |
| 231 | 70 | Afghanistan Under-19s v Pakistan Under-19s | ICC Cricket Academy Ground, Dubai | 2024/25 |
| 221 | 34 | Afghanistan Under-19s v Ireland Under-19s | Cobham Oval (New), Whangarei | 2017/18 |
| 220 | 54 | Afghanistan Under-19s v Pakistan Under-19s | ICC Cricket Academy Ground, Dubai | 2023/24 |
| 215-9 | 42 | Afghanistan Under-19s v Pakistan Under-19s | Brian Lara Stadium, Tarouba | 2021/22 |
| 215-9 | 60 | Afghanistan Under-19s v England Under-19s | Sir Vivian Richards Stadium, North Sound | 2021/22 |
| 212 | 47 | Afghanistan Under-19s v Bangladesh Under-19s | Sheikh Zayed Stadium Nursery 2, Abu Dhabi | 2013/14 |
| 210-8 | 60 | Afghanistan Under-19s v Bangladesh Under-19s | Sylhet Stadium, Sylhet | 2021 |
| 206 | 52* | Afghanistan Under-19s v West Indies Under-19s | ICC Cricket Academy Ground No 2, Dubai | 2013/14 |
| 201 | 81 | Afghanistan Under-19s v Australia Under-19s | Coolidge Cricket Ground, Coolidge | 2021/22 |
| 200 | 62 | Afghanistan Under-19s v Papua New Guinea Under-19s | Diego Martin Sporting Complex, Diego Martin | 2021/22 |
| 198 | 71 | Afghanistan Under-19s v India Under-19s | Alan Lawson Oval, Johannesburg | 2023/24 |
| 197 | 61 | Afghanistan Under-19s v South Africa Under-19s | Sharjah Cricket Association Stadium, Sharjah | 2013/14 |
| 196-6 | 52 | Afghanistan Under-19s v Namibia Under-19s | Sheikh Zayed Stadium Nursery 2, Abu Dhabi | 2013/14 |
| 194-9 | 44 | Afghanistan Under-19s v Sri Lanka Under-19s | Allan Border Field, Brisbane | 2012 |
| 194-5 | 76* | Afghanistan Under-19s v Pakistan Under-19s | Cobham Oval (New), Whangarei | 2017/18 |
| 191 | 71 | Afghanistan Under-19s v Scotland Under-19s | John Blanck Oval, Maroochydore | 2012 |
| 191 | 63 | Afghanistan Under-19s v South Africa Under-19s | Greenfield Stadium, Karyavattom | 2018/19 |
| 191-7 | 91* | Afghanistan Under-19s v Australia Under-19s | Absa Puk Oval, Potchefstroom | 2019/20 |
| 190-9 | 69 | Afghanistan Under-19s v New Zealand Under-19s | Kev Hackney Oval, Maroochydore | 2012 |
