| Sat19 Jun2021 |
|  | | Rowing | Marlow Regatta: J15 J16 and Senior | Dorney Lake SL4 6QP |
|  | 09:00 | Tennis 1st VIII, 2nd VIII, U15 A, U15 B, U14 A, U14 B, U13 A | v Abingdon Tennis Festival | H |
|  | 11:00 | Cricket 2nd XI, U15 A, U15 B, U15 C, U13 A, U13 B | v Reading Blue Coat School | A |
| | 11:00 | Cricket 2nd XI, U15 A, U15 B, U15 C, U13 A, U13 B | v Reading Blue Coat School | A |
| | 11:00 | Cricket 1st XI, U14 A, U14 B, U14 C, U12 A, U12 B | v Reading Blue Coat School | H |
| | 11:00 | Cricket 1st XI, U14 A, U14 B, U14 C, U12 A, U12 B | v Reading Blue Coat School | H |
| | 14:00 | Tennis 1st VIII, 2nd VIII, U16 A, U15 A, U15 B, U14 A | v Radley College | A |
| |
| Sun20 Jun2021 |
| | | Rowing | Marlow Regatta J14 | Dorney Lake SL4 6QP |
| |
| Tue22 Jun2021 |
|  | 10:00 | Athletics | ESAA T&F Cup | Tilsley Park |
| |
| Wed23 Jun2021 |
| | 10:30 | Tennis U15 A | v Magdalen College School | A |
| | 14:00 | Cricket 1st XI | v South Oxon Amateurs | H |
| | 16:00 | Cricket U15 A | v St Edward's School, Oxford | A |
| |
| Thu24 Jun2021 |
| | 09:30 | Tennis U15 A | v Magdalen College School | A |
| | tbc | Athletics | Achilles Relays (Junior / Inter / Senior) | Sir Roger Bannister Athletics Track, Iffley Road |
| |
| Sat26 Jun2021 |
| | | Athletics | Marlborough | Marlborough College, Wiltshire, SN8 1PA |
| | 10:30 | Cricket U12 A, U12 B | v Magdalen College School | H |
| | 11:00 | Cricket 1st XI | v Magdalen College School | H |
| | 13:00 | Cricket 2nd XI, 3rd XI, U14 A, U14 B, U14 C | v Magdalen College School | A |
| | 13:00 | Cricket 2nd XI, 3rd XI, U14 A, U14 B, U14 C | v Magdalen College School | A |
| | 13:00 | Cricket U15 A, U15 B, U15 C | v Magdalen College School | H |
| | 13:30 | Cricket U13 A, U13 B | v Magdalen College School | H |
| | 14:00 | Tennis 1st VIII, 2nd VIII, U15 A, U15 B, U14 A, U14 B, U14 C | v Bradfield College | A |
| |
| Fri2 Jul2021 |
|  | 08:30 | Golf 1st | v HMC Foresomes - National FInals | A |
| |
| Sat3 Jul2021 |
| | 08:30 | ISTA Championships @ Eton | Eton College Tennis Courts |
| | 09:00 | Tennis 1st VIII, U15 A | v ISTA Tournament @ Eton | A |
| | 10:15 | Cricket U12 A, U12 B | v Warwick School | A |
| | 10:15 | Cricket U13 A, U13 B, U13 C | v Warwick School | H |
| | 11:00 | Cricket 1st XI | v Warwick School | H |
| | 14:00 | Cricket 2nd XI, U17A, U16 A, U15 A, U15 B, U15 C | v Warwick School | A |
| | 14:00 | Cricket 3rd XI, U14 A, U14 B, U14 C | v Warwick School | H |
| |
| Sun4 Jul2021 |
| | 09:00 | Tennis 1st VIII, U15 A | v ISTA Tournament @ Eton | A |
| |
| Mon5 Jul2021 |
| | 09:00 | Tennis 1st VIII, U15 A, U13 A | v ISTA Tournament @ Eton | A |
| | 10:30 | Cricket 1st XI | v Brentwood School | A |
| |
| Tue6 Jul2021 |
| | 09:00 | Tennis 1st VIII, U15 A, U13 A | v ISTA Tournament @ Eton | A |
| | 11:00 | Cricket 1st XI | v St John's School, Leatherhead | A |
| |
| Wed7 Jul2021 |
| | 10:30 | Cricket 1st XI | v Oundle School | A |
| |
| Fri16 Jul2021 |
| | | Rowing | British Junior Rowing Championships 1st VIII 16th to 18th July | National Water Sports Centre NG12 2LU |
