| Inns | HS |
| 222-8 | 44 | Old Tonbridgians v Old Blundellians | Blundell's School, Tiverton | 1975 |
| 222-8 | 47 | Old Tonbridgians v Charterhouse Friars | Charterhouse School, Godalming | 1976 |
| 217 | 48 | Old Tonbridgians v Rugby Meteors | Burton's Court, Chelsea | 1973 |
| 206 | 46 | Old Tonbridgians v Old Amplefordians | Ampleforth College, Ampleforth | 2000 |
| 204 | 48 | Old Tonbridgians v Old Malvernians | Tonbridge School Ground, Tonbridge | 1979 |
| 203 | 46* | Old Tonbridgians v Old Alleynians | Tonbridge School Ground, Tonbridge | 1971 |
| 201 | 48 | Old Tonbridgians v Stowe Templars | Stowe School Ground, Stowe | 1992 |
| 201-6 | 40 | Old Tonbridgians v Old Malvernians | Sir Paul Getty's Ground, Wormsley | 2004 |
| 197 | 49 | Old Tonbridgians v Eton Ramblers | Tonbridge School Ground, Tonbridge | 2021 |
| 195-9 | 39 | Old Tonbridgians v Radley Rangers | Radley College Bigside Ground, Abingdon | 2007 |
| 194 | 49 | Old Tonbridgians v Bradfield Waifs | Arundel Castle Cricket Club Ground, Arundel | 2024 |
| 186-8 | 40 | Old Tonbridgians v Old Brightonians | Tonbridge School Ground, Tonbridge | 2025 |
| 180-4 | 39* | Old Tonbridgians v Felsted Robins | Tonbridge School Ground, Tonbridge | 2001 |
| 177-8 | 43 | Old Tonbridgians v Old Wykehamists | Tonbridge School Ground, Tonbridge | 1972 |
| 174-5 | 47 | Old Tonbridgians v Old Brightonians | Tonbridge School Ground, Tonbridge | 1999 |
| 169-9 | 37 | Old Tonbridgians v Old Wellingtonians | Tonbridge School Ground, Tonbridge | 1977 |
| 168-8 | 36 | Old Tonbridgians v Old Brightonians | Tonbridge School Ground, Tonbridge | 1975 |
| 168-7 | 31 | Old Tonbridgians v Rugby Meteors | Rugby School Ground, Rugby | 1988 |
| 161 | 40 | Old Tonbridgians v Charterhouse Friars | Tonbridge School Ground, Tonbridge | 1981 |
| 161-9 | 34 | Old Tonbridgians v Old Malvernians | Old Deer Park, Richmond | 2006 |
| 152 | 47 | Old Tonbridgians v Charterhouse Friars | Bank of England Ground, Roehampton | 2000 |
| 151 | 29 | Old Tonbridgians v Uppingham Rovers | Burton's Court, Chelsea | 1979 |
| 146 | 29 | Old Tonbridgians v Sherborne Pilgrims | Tonbridge School Ground, Tonbridge | 2001 |
| 144-9 | 27 | Old Tonbridgians v Felsted Robins | Tonbridge School Ground, Tonbridge | 1990 |
| 140-8 | 49 | Old Tonbridgians v Old Wykehamists | Ridding Field, Winchester | 1971 |
| 140-3 | 43 | Old Tonbridgians v Old Blundellians | Blundell's School, Tiverton | 1973 |
| 139-4 | 37 | Old Tonbridgians v Old Millfieldians | Tonbridge School Ground, Tonbridge | 2024 |
| 138 | 37 | Old Tonbridgians v Uppingham Rovers | Upper Field, Uppingham School | 1968 |
| 136 | 22 | Old Tonbridgians v Radley Rangers | Tonbridge School Ground, Tonbridge | 1978 |
| 129-5 | 46* | Old Tonbridgians v Shrewsbury Saracens | Tonbridge School Ground, Tonbridge | 1975 |
