| 153* | TA Cotterell (82*) & CB Barrington (69*) | Downside Wanderers v Marlborough Blues | Marlborough College Ground, Marlborough | 1986 |
| 148 | [unknown] & [unknown] | Harrow Wanderers v Radley Rangers | Radley College Bigside Ground, Abingdon | 1981 |
| 142* | PM Borrington (132*) & CD Paget (34*) | Repton Pilgrims v Old Brightonians | Repton School Ground, Repton | 2006 |
| 134 | CA Gough (106*) & JA Bill (49) | Marlborough Blues v Old Westminsters | Vincent Square, Westminster | 2006 |
| 132 | AL Wijesuriya (97) & Jawwad Rasheed (86*) | Old Merchant Taylors v Old Brightonians | Brighton College Ground, Brighton | 2022 |
| 125* | ER Kilbee (105*) & JNA Bunn (44*) | Marlborough Blues v Repton Pilgrims | Marlborough College Ground, Marlborough | 2021 |
| 122* | RL Chettleburgh (108*) & JAS Withers (49*) | Old Brightonians v Old Wellingtonians | Wellington College, Crowthorne | 1998 |
| 120 | OJ Davies (72) & GP Thomas (40*) | Old Cranleighans v Old Cliftonians | Clifton College Close Ground, Clifton | 2016 |
| 119 | TW Boorman (94) & JB Cox (52) | Old Malvernians v Oundle Rovers | Malvern College Ground, Malvern | 2023 |
| 118 | KI Hodgson (49) & TI MacMillan (80) | Oundle Rovers v Radley Rangers | Radley College Bigside Ground, Abingdon | 1990 |
| 113 | MJ Crump (54) & LB Bedford (49) | Old Cranleighans v Haileybury Hermits | Haileybury College Ground, Hertford | 2018 |
| 111 | MJ Lascelles (80) & AS Umpleby (45) | Shrewsbury Saracens v Felsted Robins | Shrewsbury School, Shrewsbury | 2000 |
| 111 | ECA Bruce (105*) & BR Thompson (53) | Eton Ramblers v Old Whitgiftians | Whitgift School, Croydon | 2009 |
| 111 | LEV Durrans (96) & JEV Barnes (80*) | Old Cliftonians v Shrewsbury Saracens | Clifton College Close Ground, Clifton | 2018 |
| 109* | AJ Woodland (106*) & WH Bull (41*) | St Edward's Martyrs v Felsted Robins | St Edward's School Ground, Oxford | 2018 |
| 107 | WGR Vanderspar (97) & JFG Halstead (45) | Eton Ramblers v Old Cranleighans | Jubilee, Cranleigh School | 2018 |
| 106 | RW Tolchard (44) & N Price (71) | Old Malvernians v Old Wellingtonians | Wellington College, Crowthorne | 1989 |
| 106 | RJ Piper (105) & MR Strong (92*) | Old Brightonians v Lancing Rovers | Lancing College Ground, Lancing | 2002 |
| 105 | SJ Lillyman (74) & RBM Johnston (41*) | Marlborough Blues v Repton Pilgrims | Repton School Ground, Repton | 1980 |
| 105 | BM Broughton (116) & AEC Dahl (50) | Old Cranleighans v Bradfield Waifs | Jubilee, Cranleigh School | 2019 |
| 103* | RA Hutton (76*) & GC Turner (33*) | Repton Pilgrims v Rugby Meteors | St Edward's School Ground, Oxford | 1967 |
| 103 | CCM Warren (101) & RB Haycock (28) | Sherborne Pilgrims v Rugby Meteors | Sherborne School, Sherborne | 2006 |
| 100 | OPB Durell (64) & JL Cowdrey (56*) | Old Tonbridgians v Old Malvernians | Malvern College Ground, Malvern | 2016 |
| 97 | [unknown] & [unknown] | Felsted Robins v Radley Rangers | Felsted School Ground, Dunmow | 2017 |
| 96 | JJW Lane (38) & JP Waugh (71) | Old Alleynians v Radley Rangers | Radley College Bigside Ground, Abingdon | 2025 |
| 95 | MA Hardinges (92) & JO Baker (57) | Old Malvernians v Old Hurst Johnians | Malvern College Ground, Malvern | 2023 |
| 94 | RW Holmes (72) & JR Allbrook (65*) | Old Tonbridgians v Old Malvernians | Malvern College Ground, Malvern | 1986 |
| 93 | TE Perei (89) & DTH Rotheroe (38) | Stowe Templars v Old Alleynians | Dulwich College Ground, Dulwich | 1989 |
| 91 | JR Hall (99*) & MD Cornes (28) | Old Westminsters v Oundle Rovers | Vincent Square, Westminster | 2003 |
| 89 | [unknown] & [unknown] | Oundle Rovers v Old Westminsters | Oundle School Ground, Oundle | 1970 |
| 89 | SJ Thakor (61) & CE Bennett-Baggs (59*) | Uppingham Rovers v Old Cholmeleians | Highgate School Ground, Highgate | 2018 |
| 88 | NJ Chapman (61) & JJ Rees (59*) | Felsted Robins v Old Whitgiftians | Croham Manor Road, Croydon | 1983 |
| 88 | EGC Young (101) & HTY Shephard (31) | Old Wellingtonians v Old Malvernians | Wellington College, Crowthorne | 2017 |
| 87 | [unknown] & [unknown] | Old Tonbridgians v Oundle Rovers | Oundle School Ground, Oundle | 2002 |
| 87 | CN Gaur (72*) & JJ Gaffney (45) | Bradfield Waifs v Repton Pilgrims | Bradfield College, Reading | 2014 |
| 87* | [unknown] & [unknown] | Old Malvernians v Stowe Templars | Stowe School Ground, Stowe | 2017 |
| 86* | [unknown] & [unknown] | Old Wykehamists v Rugby Meteors | Ridding Field, Winchester | 1968 |
| 86* | JP Arscott (47*) & RM Ellison (50*) | Old Tonbridgians v Bradfield Waifs | Bank of England Ground, Roehampton | 1999 |
| 86 | HG Lewis (42) & CE Home (39*) | Shrewsbury Saracens v St Edward's Martyrs | Shrewsbury School, Shrewsbury | 2022 |
| 84 | JJ Ullman (66) & RP Carless (28) | Charterhouse Friars v Repton Pilgrims | Repton School Ground, Repton | 1970 |
| 84 | AHR Waters (37) & KC Powell (46) | Old Whitgiftians v Felsted Robins | Croham Manor Road, Croydon | 1983 |
| 83 | MAJ Dunne (96) & BAG Higton (47) | Marlborough Blues v Downside Wanderers | Marlborough College Ground, Marlborough | 2025 |
| 82 | PN Richardson (87*) & BRL Lawrence (38) | Old Cheltonians v Lancing Rovers | Lancing College Ground, Lancing | 1997 |
| 82 | [unknown] & [unknown] | Old Whitgiftians v Old Wykehamists | Ridding Field, Winchester | 1998 |
| 81 | [unknown] & [unknown] | Charterhouse Friars v Sherborne Pilgrims | Sherborne School, Sherborne | 1980 |
| 81 | [unknown] & [unknown] | Marlborough Blues v Old Malvernians | Marlborough College Ground, Marlborough | 1988 |
| 81 | HJ Bishop (37) & TMB Whittome (44) | Old Wellingtonians v Radley Rangers | Wellington College, Crowthorne | 2006 |
| 81 | MJ Edmunds (73*) & W Murrills (21) | Old Brightonians v St Edward's Martyrs | St Edward's School Ground, Oxford | 2006 |
| 81 | CSG Cooke (89) & OJD Kelly (31) | Sherborne Pilgrims v Marlborough Blues | Marlborough College Ground, Marlborough | 2010 |
| 81 | BE Tegg (52) & JB Cox (61) | Old Malvernians v Old Cliftonians | Clifton College Close Ground, Clifton | 2023 |
| 80 | DM Robinson (50) & KI Hodgson (32) | Oundle Rovers v Old Tonbridgians | Oundle School Ground, Oundle | 1979 |
| 80 | JC Poore (68*) & DC Holliday (37) | Oundle Rovers v Old Malvernians | Oundle School Ground, Oundle | 1986 |
| 79* | JL Cuthbertson (73*) & DAC Marshall (56*) | Rugby Meteors v Old Tonbridgians | Burton's Court, Chelsea | 1973 |
| 79 | BJ Ringrose (28) & J Boyle (62) | Old Cheltonians v Old Wykehamists | Ridding Field, Winchester | 2025 |
| 78 | JE Mastin (36) & GK Spring (56) | Old Whitgiftians v Old Cliftonians | Clifton College Close Ground, Clifton | 2000 |
| 77 | [unknown] & [unknown] | St Edward's Martyrs v Haileybury Hermits | St Edward's School Ground, Oxford | 1989 |
| 77 | A Owen-Browne (129) & MP Hickson (43) | Old Tonbridgians v Downside Wanderers | Downside School, Stratton-on-the-Fosse | 1993 |
| 75 | AH Barker (52) & GH Ekins (21) | Charterhouse Friars v Old Alleynians | Dulwich College Ground, Dulwich | 1975 |
| 75 | PN Gill (95*) & HJW Wright (49) | Repton Pilgrims v Old Wykehamists | Repton School Ground, Repton | 1986 |
| 75 | IH Hobson (62) & ECA Bruce (32) | Eton Ramblers v Old Cranleighans | Jubilee, Cranleigh School | 2011 |
