No, school doesn't teach this. School just teaches that trivializing an assignment by using others code is cheating, since the point of school is to learn how things work and not learn how to find, evaluate and use libraries.

You could argue that school should better teach library usage, but that is a very hard topic to teach, what would the assignments look like? Would it be a case problem? Like you get a list of current dependencies, an overview of your team members skills, the task you are supposed to solve and then you go out looking for actual libraries and get graded based on how well your choice aligns with the professors?