First of all, congratulations on your multiple admits!
This is truly great news. Now, I can't tell you "go here!" because I don't really yet know that much about you or your profile, and I don't want to give you arbitrary advice. But I can give you a few tips:
1. Think about fit - If you haven't visited these schools, maybe now is the time, while they are still in session, and so that you can get a feel for what the place is really like
2. Career options - Try and have a look at the school's employment statistics, how many people get jobs, where, doing what in what industry for what employers. Also, see which companies actively recruit at the schools and see how that fits in to your goals. Almost as valuable as this is qualitative anecdotal information about career services and opportunities at the school, for which you should try and get in contact with a few alumni
2. Location - This one may be obvious, but think about it - in terms of weather, hiring options, social and cultural richness.
Hope these thoughts help you out.
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