| End of January | Competition information posted to schools |
| Friday 20 March | Entry deadline |
| Monday 6 April | Deadline to decrease or cancel entry |
| Wednesday 29 April to Wednesday 13 May | Competition in schools |
| Late June | Prize winners notified |
| July | Results returned |
| Monday 10 - Monday 17 August | International Geography Olympiad, Istanbul |
| Sunday 27 September to Thursday 1 October | Geography’s Big Week Out |
Schools should enter online. If you don’t have definite numbers, estimate the student number and put a note that the number is an estimate. Schools can decrease their student numbers up to 10.00am Monday 6 April 2026.