| Inns | HS |
| 237-8 | 36 | Old Malvernians v Old Wellingtonians | Bank of England Ground, Roehampton | 1995 |
| 224-6 | 48 | Old Malvernians v Radley Rangers | Radley College Bigside Ground, Abingdon | 1995 |
| 206-7 | 44* | Old Malvernians v Repton Pilgrims | Malvern College Ground, Malvern | 1978 |
| 199-5 | 46 | Old Malvernians v Oundle Rovers | Malvern College Ground, Malvern | 1990 |
| 199-9 | 39 | Old Malvernians v Charterhouse Friars | Charterhouse School, Godalming | 2001 |
| 197 | 31 | Old Malvernians v Oundle Rovers | Oundle School Ground, Oundle | 1989 |
| 197 | 42 | Old Malvernians v Old Millfieldians | Malvern College Ground, Malvern | 2021 |
| 185-6 | 48 | Old Malvernians v Charterhouse Friars | Malvern College Ground, Malvern | 1977 |
| 182 | 44 | Old Malvernians v Old Tonbridgians | Malvern College Ground, Malvern | 2000 |
| 181-6 | 37 | Old Malvernians v Marlborough Blues | Marlborough College Ground, Marlborough | 2006 |
| 181 | 28 | Old Malvernians v Old Millfieldians | Malvern College Ground, Malvern | 2022 |
| 178 | 33 | Old Malvernians v Bradfield Waifs | Bradfield College, Reading | 1999 |
| 177-7 | 39 | Old Malvernians v Sherborne Pilgrims | Malvern College Ground, Malvern | 1990 |
| 174-9 | 39 | Old Malvernians v Oundle Rovers | Malvern College Ground, Malvern | 1978 |
| 174-7 | 40 | Old Malvernians v Repton Pilgrims | Repton School Ground, Repton | 2010 |
| 169 | 32 | Old Malvernians v Old Wellingtonians | Malvern College Ground, Malvern | 2005 |
| 169 | 36 | Old Malvernians v Oundle Rovers | Malvern College Ground, Malvern | 2019 |
| 166-9 | 28 | Old Malvernians v Bradfield Waifs | Bradfield College, Reading | 2014 |
| 160 | 47 | Old Malvernians v Charterhouse Friars | Malvern College Ground, Malvern | 1973 |
| 160 | 38 | Old Malvernians v Old Cranleighans | Malvern College Ground, Malvern | 2010 |
| 158-9 | 42 | Old Malvernians v Old Wykehamists | Ridding Field, Winchester | 1971 |
| 146 | 42 | Old Malvernians v Sherborne Pilgrims | Sherborne School, Sherborne | 1997 |
| 137 | 35 | Old Malvernians v Old Merchant Taylors | Durrants Sports Ground, Croxley Green | 1987 |
| 136 | 37 | Old Malvernians v Repton Pilgrims | Malvern College Ground, Malvern | 1968 |
| 134 | 39 | Old Malvernians v Old Wykehamists | Malvern College Ground, Malvern | 1970 |
| 133-4 | 42 | Old Malvernians v Old Wellingtonians | Wellington College, Crowthorne | 1967 |
| 130 | 37 | Old Malvernians v Marlborough Blues | Marlborough College Ground, Marlborough | 1971 |
| 127-8 | 48* | Old Malvernians v Old Tonbridgians | Malvern College Ground, Malvern | 2012 |
| 126-6 | 39 | Old Malvernians v Harrow Wanderers | Vincent Square, Westminster | 1990 |
| 123 | 38 | Old Malvernians v Old Cranleighans | Arundel Castle Cricket Club Ground, Arundel | 2018 |
