| Inns | HS |
| 311 | 54 | Old Cranleighans v Haileybury Hermits | Haileybury College Ground, Hertford | 2018 |
| 263-5 | 73 | Old Cranleighans v Old Wellingtonians | Jubilee, Cranleigh School | 2016 |
| 261-9 | 89 | Old Cranleighans v Sherborne Pilgrims | Sherborne School, Sherborne | 2018 |
| 246-8 | 74 | Old Cranleighans v Old Cheltonians | Jubilee, Cranleigh School | 2014 |
| 245 | 81 | Old Cranleighans v Old Tonbridgians | Tonbridge School Ground, Tonbridge | 2009 |
| 243-8 | 98 | Old Cranleighans v Bradfield Waifs | Church Road, Wimbledon | 2014 |
| 238-8 | 66 | Old Cranleighans v Haileybury Hermits | The Lowers, Cranleigh School | 2014 |
| 236-6 | 65 | Old Cranleighans v Rugby Meteors | Rugby School Ground, Rugby | 2013 |
| 228-9 | 68 | Old Cranleighans v Shrewsbury Saracens | Shrewsbury School, Shrewsbury | 2013 |
| 225 | 41 | Old Cranleighans v Old Bedfordians | Bedford School Ground, Bedford | 2018 |
| 222 | 60 | Old Cranleighans v Felsted Robins | Jubilee, Cranleigh School | 2021 |
| 219-7 | 57 | Old Cranleighans v Old Alleynians | Jubilee, Cranleigh School | 2008 |
| 219 | 89 | Old Cranleighans v Old Cliftonians | Jubilee, Cranleigh School | 2025 |
| 218-9 | 82 | Old Cranleighans v Old Tonbridgians | Church Road, Wimbledon | 2013 |
| 218-7 | 65 | Old Cranleighans v Eton Ramblers | Upper Club, Eton College | 2015 |
| 215-6 | 72 | Old Cranleighans v Old Cliftonians | Clifton College Close Ground, Clifton | 2016 |
| 214-9 | 53 | Old Cranleighans v Haileybury Hermits | Jubilee, Cranleigh School | 2024 |
| 200-8 | 61 | Old Cranleighans v Harrow Wanderers | Jubilee, Cranleigh School | 2007 |
| 200-8 | 71 | Old Cranleighans v Eton Ramblers | Jubilee, Cranleigh School | 2011 |
| 200-8 | 51 | Old Cranleighans v Uppingham Rovers | Jubilee, Cranleigh School | 2022 |
| 199-2 | 99 | Old Cranleighans v Felsted Robins | Felsted School Ground, Dunmow | 2013 |
| 196 | 44 | Old Cranleighans v Old Malvernians | Arundel Castle Cricket Club Ground, Arundel | 2016 |
| 186-2 | 72 | Old Cranleighans v Lancing Rovers | Jubilee, Cranleigh School | 2008 |
| 184-9 | 41 | Old Cranleighans v Old Wellingtonians | Wellington College, Crowthorne | 2022 |
| 183-1 | 89* | Old Cranleighans v Old Cheltonians | College Ground, Cheltenham | 2008 |
| 183-1 | 78* | Old Cranleighans v Old Wykehamists | Ridding Field, Winchester | 2016 |
| 175-8 | 56 | Old Cranleighans v Old Malvernians | Arundel Castle Cricket Club Ground, Arundel | 2018 |
| 173 | 35 | Old Cranleighans v Oundle Rovers | Oundle School Ground, Oundle | 2017 |
| 164-6 | 37 | Old Cranleighans v Harrow Wanderers | Jubilee, Cranleigh School | 2016 |
| 160 | 44 | Old Cranleighans v Oundle Rovers | Jubilee, Cranleigh School | 2021 |
