The world 'school' can be used to describe an important place that includes (but is not limited to) learning and may contain lots of books, (not to be confused with a library
) but you don't care what happens in/to it.
Matt: "Hey, Joe"
Joe: "Hey, Matt"
Matt: "Did you hear about the White House being painted black?"
Joe: "Nah, the White House is school to me."