学校多久才会回信？

如果我的材料不错，学校一般多久会通知面试？我的材料是12月24日寄出，是通过Fedex寄的。

It varies based on the schools. It might take days or weeks, even months to get the invitation. It took me more than 3 months to get the invitation last year. And it might last even longer.

So be patient, and be prepared.