A SCHOOLIE has been locked up in Bali and is reportedly expected to be charged with drug possession. 

Perth teenager Jamie Murphy, 18, was arrested in the Kuta beach nightclub precinct earlier today and 9 News reports arrest footage allegedly shows white powder in a satchel among his possessions.

"I don't do this s--- … I swear to God, I swear to God," Mr Murphy reportedly said as he was grabbed.

As he was taken to Denpasar police station, he asked "What is the fuss?