CT – as per your question – Bnos Sarah is the more yeshivish of the two – less “jappy”.
As per your other question – in some ways it is better to be “out of the center”, but in some ways not. The seminary that I attended was not in the Geula area, but for me that was kind of a plus. I didn’t spend my nights and off times in Geula. There were girls in my seminary who were constantly hopping on the bus to Geula to “hang”. As for inconvenience, it’s really bad. We had to take 2 busses to the kosel because we were too far out. (Now that I just gave away which neighborhood my seminary is in…) I believe it is better to be away from Geula, because that’s where all the yeshivos are, but I guess a girl who wants to be doing what she’s not supposed to be doing will do it regardless of where she is. But I (again, personally – this is my opinion) don’t think that that question should be part of the deciding factors.
Hatzlacha!