Man charged with raping teen girl at Leavers celebration in Dunsborough

A 23-year-old man will face court charged with raping a teenage girl during Leavers celebrations in Dunsborough almost six years ago.

Police spokeswoman Susan Usher said police will claim the man from Coolbellup sexually assaulted a 17-year-old girl in the state's South West on November 29, 2012.

He has been charged with four counts of aggravated sexual penetration without consent and will face Perth Children's Court on Tuesday.

Police is still investigating the matter and anyone with information is urged to call Crime Stoppers on 1800 333 000 or make a report online.