| Inns | HS |
| 230-6 | 43 | Radley Rangers v Shrewsbury Saracens | Radley College Bigside Ground, Abingdon | 1998 |
| 207 | 48 | Radley Rangers v Oundle Rovers | Oundle School Ground, Oundle | 2023 |
| 204 | 44 | Radley Rangers v Old Tonbridgians | Radley College Bigside Ground, Abingdon | 2006 |
| 202 | 36 | Radley Rangers v Bradfield Waifs | Bradfield College, Reading | 1994 |
| 201 | 44 | Radley Rangers v Felsted Robins | Radley College Bigside Ground, Abingdon | 2003 |
| 198-9 | 35* | Radley Rangers v Old Wellingtonians | Wellington College, Crowthorne | 2013 |
| 195 | 40 | Radley Rangers v Old Brightonians | Brighton College Ground, Brighton | 1983 |
| 193 | 45 | Radley Rangers v Uppingham Rovers | Radley College Bigside Ground, Abingdon | 1992 |
| 191 | 39 | Radley Rangers v Repton Pilgrims | Radley College Bigside Ground, Abingdon | 1977 |
| 189-6 | 47 | Radley Rangers v Old Wellingtonians | Wellington College, Crowthorne | 2006 |
| 185-9 | 44 | Radley Rangers v Bradfield Waifs | Radley College Bigside Ground, Abingdon | 2004 |
| 182 | 41 | Radley Rangers v Old Wellingtonians | Wellington College, Crowthorne | 2016 |
| 179-7 | 45 | Radley Rangers v Oundle Rovers | Oundle School Ground, Oundle | 2014 |
| 177 | 48 | Radley Rangers v Repton Pilgrims | Repton School Ground, Repton | 2005 |
| 172-9 | 46 | Radley Rangers v Old Cliftonians | Clifton College Close Ground, Clifton | 1987 |
| 158 | 29 | Radley Rangers v Old Amplefordians | Ampleforth College, Ampleforth | 2008 |
| 155 | 33 | Radley Rangers v Harrow Wanderers | Radley College Bigside Ground, Abingdon | 1981 |
| 151 | 32 | Radley Rangers v Old Whitgiftians | Radley College Bigside Ground, Abingdon | 1981 |
| 151 | 33 | Radley Rangers v Old Eastbournians | Eastbourne College Ground, Eastbourne | 2011 |
| 149 | 42 | Radley Rangers v Oundle Rovers | Radley College Bigside Ground, Abingdon | 1990 |
| 148-5 | 33* | Radley Rangers v Old Blundellians | Radley College Bigside Ground, Abingdon | 1981 |
| 145 | 31 | Radley Rangers v Rugby Meteors | Rugby School Ground, Rugby | 1998 |
| 137 | 46* | Radley Rangers v Lancing Rovers | Lancing College Ground, Lancing | 1974 |
| 129-6 | 38 | Radley Rangers v St Edward's Martyrs | Radley College Bigside Ground, Abingdon | 1994 |
| 128 | 33 | Radley Rangers v Shrewsbury Saracens | Radley College Bigside Ground, Abingdon | 1972 |
| 128 | 40 | Radley Rangers v Sherborne Pilgrims | Radley College Bigside Ground, Abingdon | 1997 |
| 120 | 28 | Radley Rangers v Old Alleynians | Radley College Bigside Ground, Abingdon | 1974 |
| 117 | 35 | Radley Rangers v Old Brightonians | Brighton College Ground, Brighton | 1979 |
| 114-5 | 30 | Radley Rangers v Charterhouse Friars | Radley College Bigside Ground, Abingdon | 2018 |
| 112 | 23 | Radley Rangers v Oundle Rovers | Oundle School Ground, Oundle | 2019 |
