Prestige wise Tufts, Wellesley and Georgetown are quite equal. Anyone who tells you a degree from Wellesley or Georgetown will be valued more than one from Tufts was probably rejected by Tufts and is just a case of sour grapes. As someone who has lived the most part of my life in the US and the last 2-3 years outside the US, I can tell you a degree from Tufts is nationally respected and even more so outside the borders (at least where I live now). Since you didn’t like the vibe at Georgetown, I think it all boils down to the issue of an all girls education at either Wellesley or Barnard or a mixed one at Tufts. Personally, I’d pick Tufts over the other schools you have on your list and the fact you were named a Balfour scholar indicates just how much Tufts wants you to come. This award is given to only a select few of all admitted students, and a debt free graduation should also be strongly considered when making your decision. Also Tufts IR is probably top 3 or 5 in the nation and is very well respected outside the borders of US. If you have to take loans at any of the other schools, pick Tufts without even thinking twice!