green-wilkinson was educated at farnborough primary school from 12 april 1922. he passed his common entrance exam and became a boarder in sheepshank's house at eton college in september 1926. in july 1928 his housemaster a.j. sheepshank wrote of him, "it is hard to keep pace with the number of prizes he gains." the following month he won 3rd prize on his horse at the knighton show, and also won the birchall prize. on 4 june 1932 he rowed in the thetis boat.