| 253 | EGC Young (177) & WRG Leith (106*) | Old Wellingtonians v Old Cliftonians | Wellington College, Crowthorne | 2015 |
| 242 | BJN Chapman (123*) & EJ Pollock (131) | Shrewsbury Saracens v Felsted Robins | Felsted School Ground, Dunmow | 2016 |
| 230 | DA Stewart (141) & AGW Lewin (102) | Uppingham Rovers v Old Whitgiftians | Middle Field Pitch 1, Uppingham School | 1987 |
| 226 | DJ Bowett (88) & S Ellis (132) | Shrewsbury Saracens v Eton Ramblers | Upper Club, Eton College | 1999 |
| 225 | NA Oldridge (144) & RD Large (97) | Stowe Templars v Downside Wanderers | Stowe School Ground, Stowe | 2005 |
| 216 | JB Kings (142) & EW Beard (68) | Rugby Meteors v Old Wykehamists | Ridding Field, Winchester | 2022 |
| 204 | CF Worlidge (102) & EJ Cunningham (109) | Marlborough Blues v Old Brightonians | Marlborough College Ground, Marlborough | 1985 |
| 194 | RW Tolchard (77) & DH Price (104) | Old Malvernians v Harrow Wanderers | Malvern College Ground, Malvern | 1982 |
| 194 | RT Maskell (150) & HA Loughton (36) | Lancing Rovers v Old Cliftonians | Lancing College Ground, Lancing | 2021 |
| 189 | AG Gordon-Martin (106) & JRC Hamblin (114) | Charterhouse Friars v Lancing Rovers | Charterhouse School, Godalming | 2025 |
| 187 | MJ Banes (103) & OGK Howick (105) | Old Tonbridgians v Old Cranleighans | Tonbridge School Ground, Tonbridge | 2009 |
| 181 | GR Cowdrey (129) & NJ Kemp (84) | Old Tonbridgians v Harrow Wanderers | Tonbridge School Ground, Tonbridge | 1984 |
| 178 | A Owen-Browne (106*) & JP Arscott (110) | Old Tonbridgians v St Edward's Martyrs | Tonbridge School Ground, Tonbridge | 1997 |
| 174 | RCW Mason (112) & RW Tolchard (70*) | Old Malvernians v Oundle Rovers | Oundle School Ground, Oundle | 1986 |
| 171 | AJ Naylor (81) & EJ Cunningham (82) | Marlborough Blues v Old Cliftonians | Marlborough College Ground, Marlborough | 1984 |
| 171* | CHH Pegg (72*) & PJR Anderson (89*) | Radley Rangers v Old Wykehamists | Ridding Field, Winchester | 1989 |
| 170 | RL Chettleburgh (116) & CP Sweet (124) | Old Brightonians v Haileybury Hermits | Brighton College Ground, Brighton | 2001 |
| 168* | CA Fry (77*) & DB Carr (89*) | Repton Pilgrims v Marlborough Blues | Repton School Ground, Repton | 1967 |
| 168 | CT Harvey (76) & N Shaikh (119) | Repton Pilgrims v Old Amplefordians | Ampleforth College, Ampleforth | 2024 |
| 166 | MGN Windows (154) & GHJ Rees (85*) | Old Cliftonians v Old Westminsters | Vincent Square, Westminster | 1997 |
| 165* | SA Twigg (97*) & RAC Jerman (90*) | Repton Pilgrims v Old Blundellians | Blundell's School, Tiverton | 1997 |
| 164* | OT Pike (88*) & G Adolphus (64*) | Charterhouse Friars v Sherborne Pilgrims | Sherborne School, Sherborne | 2014 |
| 159* | SP Bridgman (78*) & WS Kendall (80*) | Bradfield Waifs v Old Malvernians | Bradfield College, Reading | 1999 |
| 159* | [unknown] & [unknown] | Old Tonbridgians v Harrow Wanderers | Bank of England Ground, Roehampton | 2003 |
| 158 | JN Batty (97) & T Poynton (81) | Repton Pilgrims v Stowe Templars | Stowe School Ground, Stowe | 2009 |
| 157 | MCJ Nicholas (106) & BM Huxley (59) | Bradfield Waifs v Repton Pilgrims | Bradfield College, Reading | 1981 |
| 157 | JG Tolchard (101) & RW Tolchard (70*) | Old Malvernians v Old Tonbridgians | Malvern College Ground, Malvern | 1986 |
| 155 | S Gillett (72) & JR Tweedale (79) | Sherborne Pilgrims v Harrow Wanderers | Harrow School Cricket Ground, Harrow-on-the-Hill | 2002 |
| 155 | BJB Fitzherbert (69) & PM Gretton (109) | Old Amplefordians v Old Brightonians | Brighton College Ground, Brighton | 2005 |
| 151 | R Hopkins (72) & RCM Lowe (84) | Old Blundellians v Old Cliftonians | Blundell's School, Tiverton | 2001 |
| 149 | JA Ford (134) & CJ Hollins (47) | Old Tonbridgians v Old Merchant Taylors | Tonbridge School Ground, Tonbridge | 1996 |
| 149 | JH Sookias (122) & FMD Waters (58) | Repton Pilgrims v Marlborough Blues | Marlborough College Ground, Marlborough | 2021 |
| 147 | DC Holliday (77) & JC Poore (112) | Oundle Rovers v Old Tonbridgians | Oundle School Ground, Oundle | 1982 |
| 147* | BJN Chapman (97*) & AS Umpleby (82*) | Shrewsbury Saracens v Old Amplefordians | Ampleforth College, Ampleforth | 2003 |
| 147 | [unknown] & [unknown] | Shrewsbury Saracens v Old Cliftonians | Clifton College Close Ground, Clifton | 2018 |
| 146 | JD Carr (176*) & RF Williamson (75) | Repton Pilgrims v Old Cholmeleians | Highgate School Ground, Highgate | 1991 |
| 146 | JI Longley (95) & CS Cowdrey (69) | Old Tonbridgians v Charterhouse Friars | Vincent Square, Westminster | 1991 |
| 146 | JD Pilch (91) & TW Harrison (83) | Oundle Rovers v Old Tonbridgians | Tonbridge School Ground, Tonbridge | 1999 |
| 146 | JGT Johansen (87) & GP Smith (51) | Oundle Rovers v Radley Rangers | Oundle School Ground, Oundle | 2019 |
| 145* | SP Ducat (53*) & AJ Brand (87*) | Old Merchant Taylors v Old Cheltonians | Durrants Sports Ground, Croxley Green | 1998 |
| 145 | HJP Chetwood (66) & PG Morgan (111) | Eton Ramblers v Shrewsbury Saracens | Upper Club, Eton College | 1999 |
| 144 | CL Keey (79) & HSJR Foster (92) | Harrow Wanderers v Haileybury Hermits | Harrow School Cricket Ground, Harrow-on-the-Hill | 1998 |
| 143 | AG Milton (102) & T Kohler-Cadmore (76) | Old Malvernians v Old Cranleighans | Arundel Castle Cricket Club Ground, Arundel | 2016 |
| 142* | JC Seward (51*) & DNC Scott (76*) | Old Millfieldians v Lancing Rovers | Lancing College Ground, Lancing | 2021 |
| 141 | AJM Smee (85) & AJ Brand (81) | Old Merchant Taylors v Old Alleynians | Durrants Sports Ground, Croxley Green | 2002 |
| 141 | JB Jouning (61) & ND Hughes (92) | Haileybury Hermits v Oundle Rovers | Oundle School Ground, Oundle | 2005 |
| 137 | DRW Irens (82*) & WS Kendall (73) | Bradfield Waifs v Lancing Rovers | Lancing College Ground, Lancing | 2007 |
| 136 | GJ Mitchell (61) & JW Jamieson-Black (76) | Old Cheltonians v Downside Wanderers | Downside School, Stratton-on-the-Fosse | 2021 |
| 135 | [unknown] & [unknown] | Radley Rangers v Harrow Wanderers | Radley College Bigside Ground, Abingdon | 1968 |
| 135 | JGT Johansen (58) & GP Smith (70) | Oundle Rovers v Old Malvernians | Malvern College Ground, Malvern | 2019 |
| 134 | BA Richardson (86) & RW Tolchard (114) | Old Malvernians v Shrewsbury Saracens | Shrewsbury School, Shrewsbury | 1985 |
| 133 | JMM Hooper (56) & AH Barker (77) | Charterhouse Friars v Old Tonbridgians | Tonbridge School Ground, Tonbridge | 1981 |
| 130 | JSL Brooks (64) & CWV Robins (54) | Old Cliftonians v Marlborough Blues | Marlborough College Ground, Marlborough | 1984 |
| 128 | DI Allan (63) & AC Cope (98) | Old Cranleighans v Bradfield Waifs | Church Road, Wimbledon | 2014 |
| 128 | AC Cope (88) & GS Ealham (112*) | Old Cranleighans v Radley Rangers | Radley College Bigside Ground, Abingdon | 2025 |
| 127* | RAC Jerman (80*) & HJW Wright (70*) | Repton Pilgrims v Old Blundellians | Repton School Ground, Repton | 1996 |
| 126 | RMF Cox (79) & WS Kendall (58) | Bradfield Waifs v St Edward's Martyrs | Bradfield College, Reading | 1996 |
| 126 | AJ Brand (96*) & CM Jaggard (35) | Old Merchant Taylors v Old Whitgiftians | Whitgift School, Croydon | 1998 |
