Schult reached third-place with Germany at the 2008 FIFA U-17 Women's World Cup, appearing in two matches. Two years later, she was Germany's first choice goalkeeper at the 2010 U-20 Women's World Cup, which the team won. The tournament was played on home soil in Germany. Schult was called up as third goalkeeper for Germany's 2011 Women's World Cup squad. Her first team debut was on 15 February 2012 against Turkey.