 She studied world literature at the University of Belgrade Faculty of Philology, where she completed the course of the studies but didn't graduate.She studied singing in the opera studio of , in the La Scala Opera School (1964) and with Zinka Milanov in New York City.Stojanović debuted at the age of 22 as Amelia in Verdi's "Un ballo in maschera" on the stage of the Belgrade Opera in 1959.