Because of compulsory education and, thus, accessibility to all school-age children, schools are especially good places for tobacco prevention measures. For integrated, successful tobacco prevention in schools, the combination of structural and behavioral topics is necessary ("policy mix"). The Federal Center for Health Education has placed emphasis on school-based smoking prevention at an early stage. Within the framework of the smoke-free campaign, the Federal Center for Health Education created manuals and concepts for pupils, teachers, and parents for nationwide use. Starting in 2003, model projects focusing on smoke-free schools were started by the Federal Center for Health Education. Since 2008, all German federal states have signed smoking bans for schools into law.