more interview invites?

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My friend was recently invited to an interview at BU in early Feb. I, on the other hand, was not haha.
 
If I don't hear back from schools by next week, should I assume that I'm rejected since many schools contact a month earlier (some people got invited to BU for March interviews) for interviews?
 
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tufts should still be, I interviewed on 1/27 and they had recieved 50 deposits for a class of 170.
 
BU just gave me one this past Thursday for Mar 9, I just hope its for an actual spot and not a waitlist.
 
should have a spot open for BU, NOVA, and Case... I declined on Friday..
 
invite from columbia a couple weeks ago. took them weeks to get back to me with an interview.. now scheduled for feb 13th.. still I don't have any details about the interview, but instead, one line with bad grammar and general lack of effort: "see u on the 13th/" is all it said..
I'm not impressed with columbia adcom.. and frankly I'm considering not showing up..