Guide for lesson preparation for secondary school teachers, all subjects, grades 5-10. Individual support, self-directed and self-regulated learning, internal and external differentiation, as well as learning counseling are increasingly coming to the forefront. More and more teachers and schools want to embark on the path to open teaching - moving away from traditional content delivery and instruction towards greater student responsibility. How fortunate that you can benefit from the experiences of other colleagues who have already successfully made this transition! This guide shows you, through practical best-practice examples, how to introduce and optimally design open teaching at your school. The author team from a comprehensive school presents their clear open, inclusive school concept, which has been practiced there for years.