They sort of do. Untill this year they only hired a couple from Eagle in each class. The last 2 classes had 7 each from Eagle. If they have a Jan class no one from Eagle will be in it unless they do interviews again.
If they have a Jan class it will be all externals.
I seem to recall hearing around here that applications for those who interviewed in September are good for 6 months. I do not know if that is 6 months from the original job posting (Late July) or the interview (Mid September).