Being educated in a school means a great opportunity to learn from teachers. But it is not easy for teachers to share their experience with students and become a source of practical knowledge for them. In order to make it possible for workplace supervisors to share practical knowledge, the coaching approach of ‘The art of teaching in action’ has been developed. The core of this is two cycles of three lessons that are jointly prepared, taught and discussed. Learning takes place in dialogue, with the student’s personal learning question taking center stage.