School course/class design is an organization design. It is to design a course for activating and leading individuals diversity (§ 2.4). It aims at diverse personal development.
What is the relation between "activating" and "leading"? By what means is the balance between diversity and coherence is made. Generally, it is the objective of the organizaiton.
And the author's case is : Students' diverse personal development is realized together with their sound understanding of learning subjects and mastering teaching skills.
Thus, briefly, the stance and content of their design action is leading diverse self-realization of individuals with founding it upon sound study life.