I like the article's emphasis on developing neural connections but I'm a little mystified about this "Cuban system" that is supposedly leading the way. All we l

I like the article's emphasis on developing neural connections but I'm a little mystified about this "Cuban system" that is supposedly leading the way. All we learn from the article is that Cuban schools have sports directors, music directors and someday a chess director. That's it? Sports, music and maybe chess? How is this different from other schools around the world?