| Sun26 Sep2021 |
| | | Fives: U15 & U16 Individual Competition | Harrow - HA1 3HP |
| |
| Mon27 Sep2021 |
|  | 14:00 | Fives Boys U15 | v University College School (UCS) | H |
| | 16:20 | Fives Boys U13 | v Highgate School | A |
|  | 16:45 | Netball U15A, U15B, U15C, U15D | v Haberdashers' Aske's School for Girls | H |
| |
| Tue28 Sep2021 |
|  | 15:00 | Football 1st XI | v Dulwich College | A |
|  | 15:00 | Golf Mixed U18A | v Stowe School | A |
| | 15:00 | Netball 1st VII | v Kings High School Warwick | H |
| | 15:30 | Rugby U18 Schools Cup: Round 1 | Chesham Fields |
|  | 15:45 | Cross Country U11A, U11A, U10A, U10A, U9A, U9A, U8A, U8A | v Berkhamsted Prep Cross County Relay | H |
| | 16:45 | Netball U13A, U13B, U13C, U13D, U13E | v St Albans High School for Girls | H |
| |
| Wed29 Sep2021 |
| | | Rugby U15 Schools Cup: Round 1 | |
| | 14:30 | Football U13A, U13B, U13C, U13D | v Aldenham School | A |
| | 14:30 | Football U13A, U13B, U13C, U13D | v Aldenham School | A |
| | 14:30 | Football U12A, U12B, U12C, U12D | v Aldenham School | H |
| | 14:30 | Football U12A, U12B, U12C, U12D | v Aldenham School | H |
| | 14:30 | Netball U12A | v St Hugh's School | H |
|  | 14:30 | Rugby Union U11A, U11C | v Akeley Wood School | H |
| | 15:00 | Netball U11 | v Heatherton | H |
| | 15:30 | Rugby Union 1st XV | v RGS, High Wycombe | H |
| | 16:45 | Rugby Union U15A | v Bedford School | A |
| | tbc | Netball 1st VII, U16A, U14A | v Aylesbury High School | H |
| |
| Thu30 Sep2021 |
| | 14:00 | Netball U13A | v Bromley High School | H |
| | 15:00 | Netball U9 | v Heatherton | H |
| | 16:00 | Fives Boys U13, U12, Mixed U11A | v Ludgrove School | H |
| |
| Sat2 Oct2021 |
| | 09:30 | Football U11A | v Orley Farm Tournament | A |
| | 09:30 | Football U13A, U12A | v Lochinver House School | H |
|  | 09:30 | Lacrosse 1st X, 2nd X, 3rd X, 4th X | v Guildford High School | H |
| | 10:00 | Rugby: I.A. Smith Memorial House 7s | Chesham Road Playing Fields - HP4 3AE |
| | 10:00 | Rugby: U14 & U15 Inter-House | Chesham Road Playing Fields - HP4 3AE |
| | 10:00 | Football U13B, U13C, U13D, U13E, U12B, U12C, U12D, U12E | v The John Lyon School | A |
| | 10:30 | Lacrosse U15A, U15B, U13A, U13B | v Guildford High School | H |
| | 11:30 | Lacrosse U14A, U14B, U14C, U13C | v Guildford High School | H |
| | 14:30 | Rugby Union 2nd XV | v Sutton Valence School | A |
| | tbc | Netball 1st VII | v Guildford High School | tbc |
| |
| Sun3 Oct2021 |
| | | Fives: Girls' Individual Competition | Mallison Sports Centre, Highgate - N6 4NY |
| |
| Mon4 Oct2021 |
| | 15:25 | Fives Boys U14 | v Holyport College | H |
| | 16:00 | Fives | v Mill Hill & Belmont Schools | A |
| |
| Tue5 Oct2021 |
| | 14:30 | Netball U15A | v Colfe's School | A |
| | 15:30 | Fives Boys U18, Girls (U12 U18), Boys U16 | v Cranleigh School | A |
| | 15:30 | Netball U12A | v Bedford Girls' School | A |
| | 16:15 | Netball 2nd VII, U16B | v St Albans High School for Girls | A |
| |
| Wed6 Oct2021 |
| | 14:00 | U10 Netball Tournament | Kings Courts |
| | 14:00 | Netball U10 | v Berkhamsted Prep Netball Tournament | H |
| | 14:45 | Football U13C, U13E, U12A, U12B, U12C | v Haileybury | A |
| | 14:45 | Football U13A, U13B | v Haileybury | H |
| | 14:45 | Football U13D, U12D | v Aldwickbury School | H |
| | 16:20 | Netball 1st VII | v St Albans School | H |
| | tbc | Football U12E | v Aldwickbury School | H |
| |
| Thu7 Oct2021 |
| | 15:00 | Fives Boys U18, U16 | v Stowe School | A |
| | 15:15 | Netball U9 | v St Albans High School for Girls | A |
| |
| Fri8 Oct2021 |
| | 14:45 | Rugby Union U10ALL | v Davenies Preparatory School | H |
|  | 19:00 | Swimming U18A, U15A, U13A | v ESSA Qualifying Round | A |
| |
| Sat9 Oct2021 |
| | 07:30 | Netball 1st VII | v Netball National Schools Tournament | A |
| | 10:00 | Football U12A, U12B, U12C, U12D, U12E | v Forest School | A |
| | 10:00 | Football U13A, U13B, U13C, U13D, U13E | v Forest School | H |
| | 10:00 | Rugby Union U11A, U10ALL | v The Haberdashers' Aske's Boys' School | H |
| | 10:00 | Rugby Union U11A, U10ALL | v Chesham Preparatory School | H |
| | 13:00 | Fives Boys U13 | v Highgate School | H |
| | 13:00 | Lacrosse 1st X, 2nd X, 3rd X, 4th X, U15A | v Downe House | A |
| | 14:00 | Lacrosse U15B, U14A, U14B, U13B | v Downe House | A |
| | 14:30 | Football U11A | v IAPS tournament | A |
| | 14:30 | Rugby Union U16A, U16B, U16C, U15A, U15B, U15C, U15D | v Eton College | A |
| | 14:30 | Rugby Union 1st XV, 2nd XV, 3rd XV, U14A, U14B, U14C, U14D | v Eton College | H |
| | 15:00 | Lacrosse U15C, U14C, U13A | v Downe House | A |
| | 15:00 | Lacrosse U15C, U14C, U13A | v Downe House | A |
| | tbc | Netball U16A, U14A | v Netball National Schools Tournament | tbc |
| |
| Sun10 Oct2021 |
| | | Fives: U18 Individual Competition | Harrow - HA1 3HP |
| | 11:00 | Fives Girls (U12 U18), Boys U14, U13 | v Repton School | A |
| |
| Mon11 Oct2021 |
| | 16:30 | Netball U14A | v Sandringham School | A |
| | tbc | Lacrosse | v U15 A & B County Tournament | A |
| |
| Tue12 Oct2021 |
| | 14:45 | Rugby Union U9ALL | v Davenies Preparatory School | H |
| | 16:30 | Fives Boys U14 | v Eton College | H |
| |
| Wed13 Oct2021 |
| | | Rugby U15 Schools Cup: Round 2 | |
| | | Rugby U18 Schools Cup: Round 2 | |
| | 14:30 | Fives Boys U13 | v St Olave's Grammar School, Kent | A |
| | 14:30 | Rugby Union U11A, U11B, U11C, U11D | v Davenies Preparatory School | A |
| | 15:15 | Netball U11, U11B, U11C | v Abbot's Hill | A |
| | 15:30 | Fives Boys U15 | v Queen Elizabeth's School, Barnet | H |
| | 16:30 | Netball U13A, U13B, U13C, U13D | v Queenswood School | A |
| | 16:30 | Swimming U18A, U18A, U15A, U15A, U13A, U13A | v Wycombe Abbey League | A |
| |
| Thu14 Oct2021 |
| | 13:30 | Lacrosse 1st X, 2nd X, 3rd X, 4th X | v Senior County Tournament | H |
| | 13:45 | Lacrosse U16A | v Abbot's Hill | H |
| | 14:00 | Golf Mixed U18A | v Stowe School | A |
| | 14:15 | Rugby Union U8ALL | v The Haberdashers' Aske's Boys' School | H |
| | 14:30 | Rugby Union | v Mill Hill & Belmont Schools | H |
| | 15:00 | Fives Boys U18, Girls (U12 U18), Boys U16 | v Uppingham School | A |
| | 16:30 | Fives Boys U15 | v Harrow School | H |
| |
| Fri15 Oct2021 |
| | 12:30 | Netball U11 | v Forest School Prep Netball Tournament | A |
| |
| Sat16 Oct2021 |
| | 09:00 | Junior House Netball Y7-Y10 | Kings Campus Courts |
| | 10:00 | Fives Mixed U11A | v Highgate School | H |
| | 10:00 | Football U12A, U12B, U12C, U12D, U12E | v Sandringham School | A |
| | 10:00 | Football U13A, U13B, U13C, U13D, U13E | v Sandringham School | H |
| | 14:00 | Fives Boys U13, Mixed U11A, U10A | v Sunningdale School | H |
| | 14:30 | Rugby Union 2nd XV, 3rd XV, 4th XV, U14A, U14B, U14C, U14D | v Harrow School | A |
| | 14:30 | Rugby Union U16A, U16B, U16C, U15A, U15B, U15C, U15D | v Harrow School | H |
| | 15:00 | Rugby Union 1st XV | v Harrow School | A |
| |
| Mon18 Oct2021 |
| | 14:00 | Fives: Y10 Inter-House | Castle & Prep Courts |
| |
| Tue19 Oct2021 |
| | 14:00 | Fives: Y11 Inter-House | Castle & Prep Courts |
| | 14:45 | Rugby Union U9ALL | v The Beacon School | A |
| |
| Wed20 Oct2021 |
| | 13:30 | Netball 1st VII | v Barking Abbey School | H |
| | 14:15 | Rugby Union U11A, U11B, U11C, U11D | v The Beacon School | A |
| | 14:30 | Netball U11 | v Abbot's Hill | A |
| | 14:45 | Football U13D, U13E | v Lockers Park School | A |
| | 14:45 | Football U13A, U13B | v Lockers Park School | H |
| |
| Thu21 Oct2021 |
| | 14:00 | Fives Boys U18, U16 | v Queen Elizabeth's School, Barnet | H |
| |
| Fri22 Oct2021 |
| | 14:30 | Rugby Union U10ALL | v The Beacon School | H |
