The girl was last seen in Brisbane’s Queen Street Mall around 4:00pm on Friday, May 30, and has not returned home.
Family and police are concerned for her welfare.
She is described as 160cm tall, of slight build and of African appearance with long, black plaited hair.
She was last seen wearing a school uniform described as a dark green skirt and a long sleeved jumper. She was carrying a black bag.
Anyone with information should contact Crime Stoppers on 1800 333 000.