How is it you think that is evidence somehow? You might as well conclude that having a unicorn as your school mascot is why kids do so well at that school. http

How is it you think that is evidence somehow? You might as well conclude that having a unicorn as your school mascot is why kids do so well at that school. http://www.tylervigen.com/spurious-correlations http://www.tylervigen.com/spurious-correlations There are so many confounding factors that could be causing students to do better in those schools. Here is my take away from your 'data': Imagine how much better those students would be doing if they also weren't getting up earlier than is natural or recommended.