Ex - student at Oprah Winfrey High School for Girls was found not guilty of abuse . Tiny Virginia Makopo , 19 , was suspended after a student incident . Winfrey opened the South African girls school in Johannesburg .
Ex-matron at Oprah Winfrey Leadership Academy for Girls was found not guilty of abuse . Tiny Virginia Makopo , 30 , was charged after a student complained . Winfrey opened the South African girls school in 2007 .