| Wkt |
| 3 | 142* | JC Seward (51*) & DNC Scott (76*) | Old Millfieldians v Lancing Rovers | Lancing College Ground, Lancing | 2021 |
| 5 | 135 | DNC Scott (79) & NA Pang (84*) | Old Millfieldians v Oundle Rovers | Arundel Castle Cricket Club Ground, Arundel | 2021 |
| 5 | 134 | AA Rao (79*) & FR Trenouth (79) | Old Millfieldians v Old Cheltonians | Millfield School, Street | 2023 |
| 2 | 130 | KOA Powell (83) & FR Trenouth (62*) | Old Millfieldians v Old Merchant Taylors | Millfield School, Street | 2021 |
| 5 | 126 | FR Trenouth (68) & HRC Ellison (76) | Old Millfieldians v Rugby Meteors | Rugby School Ground, Rugby | 2024 |
| 3 | 111 | JW Baird (53*) & HRC Ellison (70) | Old Millfieldians v Old Malvernians | Malvern College Ground, Malvern | 2022 |
| 3 | 107* | E Wade (80*) & HRC Ellison (45*) | Old Millfieldians v Charterhouse Friars | Millfield School, Street | 2022 |
| 5 | 104 | DNC Scott (90*) & NA Pang (42) | Old Millfieldians v Marlborough Blues | Marlborough College Ground, Marlborough | 2021 |
| 4 | 90 | E Wade (127) & BA Beaumont (44) | Old Millfieldians v Radley Rangers | Radley College Bigside Ground, Abingdon | 2022 |
| 5 | 89 | WJ Durston (112) & JL Cork (25) | Old Millfieldians v Old Malvernians | Malvern College Ground, Malvern | 2019 |
| 3 | 88 | E Wade (127) & GT Hankins (59) | Old Millfieldians v Radley Rangers | Radley College Bigside Ground, Abingdon | 2022 |
| 5 | 87 | E Wade (127) & RJ Hamilton-Brown (65*) | Old Millfieldians v Radley Rangers | Radley College Bigside Ground, Abingdon | 2022 |
| 3 | 85 | GRE Gallmann-Findlay (36) & CF Harvey (60) | Old Millfieldians v Radley Rangers | Radley College Bigside Ground, Abingdon | 2024 |
| 8 | 82 | CB Vickery (38) & AJ Easton (55) | Old Millfieldians v Old Wellingtonians | Wellington College, Crowthorne | 2022 |
| 5 | 82 | JC Hildreth (26*) & HRC Ellison (58) | Old Millfieldians v Charterhouse Friars | Millfield School, Street | 2023 |
| 1 | 78 | G Gallman-Findley (67*) & N Dunning (27) | Old Millfieldians v Old Monmothians | Millfield School, Street | 2025 |
| 4 | 74 | WJ Durston (112) & AJ Easton (26) | Old Millfieldians v Old Malvernians | Malvern College Ground, Malvern | 2019 |
| 1 | 74 | E Wade (13) & JC Seward (54) | Old Millfieldians v Old Cheltonians | Millfield School, Street | 2023 |
| 2 | 69 | G Gallman-Findley (67*) & J Eckland (65) | Old Millfieldians v Old Monmothians | Millfield School, Street | 2025 |
| 3 | 68 | FR Trenouth (38) & HRC Ellison (49) | Old Millfieldians v Marlborough Blues | Marlborough College Ground, Marlborough | 2021 |
| 6 | 67 | NA Pang (73) & CB Vickery (24*) | Old Millfieldians v Oundle Rovers | Oundle School Ground, Oundle | 2022 |
| 1 | 64 | TR Bevan (33) & LP Taylor (41) | Old Millfieldians v Old Cheltonians | Millfield School, Street | 2025 |
| 7 | 63 | JW Baird (92*) & CP Ellison (26) | Old Millfieldians v Old Malvernians | Malvern College Ground, Malvern | 2021 |
| 1 | 63 | TR Bevan (58) & E Wade (80*) | Old Millfieldians v Charterhouse Friars | Millfield School, Street | 2022 |
| 3 | 57* | G Gallman-Findley (67*) & HRC Ellison (41*) | Old Millfieldians v Old Monmothians | Millfield School, Street | 2025 |
| 3 | 56 | JW Baird (32) & GT Hankins (23) | Old Millfieldians v Old Wellingtonians | Wellington College, Crowthorne | 2022 |
| 2 | 55 | RL Stokes (39) & CF Harvey (37) | Old Millfieldians v Charterhouse Friars | Millfield School, Street | 2023 |
| 3 | 55 | E Wade (40) & JW Baird (24) | Old Millfieldians v Eton Ramblers | Millfield School, Street | 2023 |
| 4 | 53 | FR Trenouth (62*) & CJ Clist (27) | Old Millfieldians v Old Merchant Taylors | Millfield School, Street | 2021 |
| 2 | 50 | E Wade (52) & JW Baird (16) | Old Millfieldians v Oundle Rovers | Oundle School Ground, Oundle | 2022 |
