In most evaluated schools, it only took two or three weeks for the bullying to stop. With Ben, Dénervaud began by encouraging a personal talk between him and the teacher he trusts most. The survey shows a rise in school bullying since the previous PISA survey in 2015, with the rate of physical bullying more than doubling in Switzerland. Because parents, students, and teachers frequently asked her for advice on bullying, she grasped the enormity of the need. “Contrary to what most people believe and what I, too, believed at the beginning, there is no ‘typical’ bullying victim.