In 1964, the Ballet School of the Royal Flemish Opera became the Stedelijk Instituut voor Ballet (SIB) (Municipal Institute for Ballet). The three Brabants sisters all committed to ballet education in Antwerp. Annie Brabants taught the very youngest from 8 to 12 years old at Prinsstraat 24. The pupils aged 12 to 15 were taught by Jos Brabants in the Lamorinièrestraat. Jeanne Brabants trained the older pupils and guided them from the school benches into a dance career.