| Inns | HS |
| 231 | 41 | Eton Ramblers v Bradfield Waifs | Bradfield College, Reading | 1998 |
| 220-9 | 44 | Eton Ramblers v Oundle Rovers | Upper Club, Eton College | 2003 |
| 207-9 | 40 | Eton Ramblers v Shrewsbury Saracens | Upper Club, Eton College | 2023 |
| 203 | 39 | Eton Ramblers v Old Malvernians | Malvern College Ground, Malvern | 2008 |
| 201-8 | 43 | Eton Ramblers v Old Wellingtonians | Wellington College, Crowthorne | 2000 |
| 193-7 | 39 | Eton Ramblers v Felsted Robins | Felsted School Ground, Dunmow | 1999 |
| 193-6 | 40 | Eton Ramblers v Old Alleynians | Agar's Plough, Eton College | 1999 |
| 189-8 | 39 | Eton Ramblers v Bradfield Waifs | Bradfield College, Reading | 1991 |
| 186 | 47 | Eton Ramblers v Old Alleynians | Dulwich College Ground, Dulwich | 1994 |
| 186-9 | 47* | Eton Ramblers v Old Millfieldians | Millfield School, Street | 2023 |
| 183-9 | 37 | Eton Ramblers v Oundle Rovers | Oundle School Ground, Oundle | 2006 |
| 181-6 | 43 | Eton Ramblers v Old Tonbridgians | Upper Club, Eton College | 2018 |
| 180-3 | 47* | Eton Ramblers v St Edward's Martyrs | St Edward's School Ground, Oxford | 2000 |
| 180-9 | 49 | Eton Ramblers v Old Wellingtonians | Wellington College, Crowthorne | 2001 |
| 179 | 29 | Eton Ramblers v Oundle Rovers | Oundle School Ground, Oundle | 2021 |
| 173 | 41 | Eton Ramblers v Charterhouse Friars | Agar's Plough, Eton College | 1992 |
| 172 | 46 | Eton Ramblers v Radley Rangers | Upper Club, Eton College | 1997 |
| 170 | 36 | Eton Ramblers v Old Malvernians | Malvern College Ground, Malvern | 1970 |
| 168 | 40 | Eton Ramblers v Old Cliftonians | Clifton College Close Ground, Clifton | 2017 |
| 166 | 44 | Eton Ramblers v Shrewsbury Saracens | Shrewsbury School, Shrewsbury | 1971 |
| 166 | 39 | Eton Ramblers v Shrewsbury Saracens | Upper Club, Eton College | 2019 |
| 163-8 | 39 | Eton Ramblers v Old Alleynians | Dulwich College Ground, Dulwich | 1990 |
| 159-7 | 47* | Eton Ramblers v Uppingham Rovers | Upper Field, Uppingham School | 1973 |
| 158 | 30 | Eton Ramblers v Uppingham Rovers | Upper Field, Uppingham School | 1969 |
| 157-9 | 44 | Eton Ramblers v Harrow Wanderers | Harrow School Cricket Ground, Harrow-on-the-Hill | 1979 |
| 156-9 | 42 | Eton Ramblers v Marlborough Blues | Agar's Plough, Eton College | 1968 |
| 155 | 40 | Eton Ramblers v Charterhouse Friars | Charterhouse School, Godalming | 1991 |
| 154 | 46 | Eton Ramblers v Sherborne Pilgrims | Sherborne School, Sherborne | 2007 |
| 152 | 43 | Eton Ramblers v Charterhouse Friars | Charterhouse School, Godalming | 2000 |
| 151 | 29 | Eton Ramblers v Old Alleynians | Dulwich College Ground, Dulwich | 1972 |
| 151-7 | 32 | Eton Ramblers v Old Alleynians | Dulwich College Ground, Dulwich | 2016 |
