Jarman played international rugby for England and was selected for the British Isles on their 1899 tour of Australia.
[3] Jarman scored just a single try throughout the tour, in the third match of the series against Metropolitan at Sydney.
On his return to Britain, Jarman was selected to play for the England national team.
Jarman played just one game for England, the opening match of the 1900 Home Nations Championship against Wales at Kinsholm in Gloucester.
England introduced 13 new caps for this game, and Jarman was the only player out of the eight man pack to have any international experience.