| Inns | HS |
| 336-6 | 94 | Old Cliftonians v Harrow Wanderers | Clifton College Close Ground, Clifton | 1992 |
| 295 | 74 | Old Cliftonians v Repton Pilgrims | Clifton College Close Ground, Clifton | 2006 |
| 270-7 | 71* | Old Cliftonians v Old Eastbournians | Eastbourne College Ground, Eastbourne | 2025 |
| 269-6 | 83 | Old Cliftonians v Haileybury Hermits | Clifton College Close Ground, Clifton | 1994 |
| 261-7 | 60 | Old Cliftonians v Old Cranleighans | Jubilee, Cranleigh School | 2025 |
| 257-4 | 81 | Old Cliftonians v Old Merchant Taylors | Clifton College Close Ground, Clifton | 2006 |
| 247-9 | 87 | Old Cliftonians v Old Amplefordians | Clifton College Close Ground, Clifton | 2023 |
| 246-7 | 50 | Old Cliftonians v Old Merchant Taylors | Clifton College Close Ground, Clifton | 1985 |
| 245-6 | 53 | Old Cliftonians v Harrow Wanderers | Clifton College Close Ground, Clifton | 2014 |
| 242-4 | 92 | Old Cliftonians v Old Blundellians | Clifton College Close Ground, Clifton | 1991 |
| 242-9 | 48 | Old Cliftonians v Old Wellingtonians | Clifton College Close Ground, Clifton | 2007 |
| 242 | 76 | Old Cliftonians v Uppingham Rovers | Upper Field, Uppingham School | 2023 |
| 239-8 | 88 | Old Cliftonians v Old Wykehamists | Ridding Field, Winchester | 2008 |
| 233-6 | 96 | Old Cliftonians v Shrewsbury Saracens | Clifton College Close Ground, Clifton | 2018 |
| 231-8 | 76 | Old Cliftonians v Repton Pilgrims | Clifton College Close Ground, Clifton | 1994 |
| 231-9 | 56 | Old Cliftonians v Oundle Rovers | Clifton College Close Ground, Clifton | 2025 |
| 229 | 83 | Old Cliftonians v Bradfield Waifs | Bradfield College, Reading | 1997 |
| 229 | 60 | Old Cliftonians v Old Whitgiftians | Clifton College Close Ground, Clifton | 2000 |
| 221 | 64 | Old Cliftonians v Marlborough Blues | Marlborough College Ground, Marlborough | 1984 |
| 220-9 | 71 | Old Cliftonians v Oundle Rovers | Clifton College Close Ground, Clifton | 2009 |
| 217 | 69 | Old Cliftonians v Old Cheltonians | College Ground, Cheltenham | 2024 |
| 215-3 | 97 | Old Cliftonians v Old Wellingtonians | Clifton College Close Ground, Clifton | 1975 |
| 212-8 | 46 | Old Cliftonians v Bradfield Waifs | Bradfield College, Reading | 1990 |
| 212-8 | 81 | Old Cliftonians v Old Cranleighans | Clifton College Close Ground, Clifton | 2016 |
| 211-9 | 31 | Old Cliftonians v Stowe Templars | Clifton College Close Ground, Clifton | 2022 |
| 210-8 | 60 | Old Cliftonians v Haileybury Hermits | Haileybury College Ground, Hertford | 1988 |
| 209-4 | 62 | Old Cliftonians v Rugby Meteors | Rugby School Ground, Rugby | 1997 |
| 208 | 92 | Old Cliftonians v Old Blundellians | Blundell's School, Tiverton | 2001 |
| 207-8 | 47 | Old Cliftonians v Lancing Rovers | Clifton College Close Ground, Clifton | 1993 |
| 206-8 | 74 | Old Cliftonians v Old Amplefordians | Ampleforth College, Ampleforth | 2003 |
| 205-7 | 65 | Old Cliftonians v St Edward's Martyrs | St Edward's School Ground, Oxford | 2016 |
| 202 | 52 | Old Cliftonians v Old Wykehamists | Ridding Field, Winchester | 1988 |
| 202-8 | 51* | Old Cliftonians v Harrow Wanderers | Clifton College Close Ground, Clifton | 1990 |
| 200 | 48 | Old Cliftonians v Old Merchant Taylors | Durrants Sports Ground, Croxley Green | 1976 |
| 200-5 | 71* | Old Cliftonians v Shrewsbury Saracens | Clifton College Close Ground, Clifton | 2009 |
