Depending on how soon you want to apply, I do recommend that you take some more time to try to build up you extracurricular resume over the next year or so. As we always say, quality matters more than quantity here -- it's not a matter of going out and joining five groups, but rather picking one thing that you really care about and making a real impact there. Ideally, you will be able to point to an achievement and say, "That definitely would not have happened if I hadn't been there."
What would you like to do after business school? That will partly dictate where you should consider applying.
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