School knowledge and didactic analysis: A research perspective in comparative didactics

The article presents some aspects of an approach to disciplinary teaching phenomena that adopts the new perspective of comparative didactics. This approach consists of implementing research projects that examine teaching problems in a comparative study of various specific didactics.In the first part of the article, examination of the origins of school knowledge leads to the proposal of a new tool for analyzing the phenomena of didactic transposition in a broader perspective. In the second part, a new tool is proposed for analyzing in-class teaching phenomena for different disciplines.