I am not sure that these are the be all end all of getting into Battle School let alone being successful there. I think that the personality traits that accompany the other factors is the biggest qualification. Look at Peter Valentine and Ender. In the end it was the psychological profile that lande...

I was assigned to read it for a college SF course. It was a wonderful story, one I plan on reading more of! I think that it is one of the best books I have read in a long long time. I since there is a lot ahead for Ender and the human race.