No, I’ve never said that because I don’t think I know that. As a teacher, you just don’t know enough, especially if you are only with them for a semester. Someone can write twenty bad stories and then they write a good one; people can potentially develop very fast when they’re young. On top of that, my idea of what’s good or not may be irrelevant—a lot gets published that I don’t like at all.
Read the interview in full: http://fictionwritersreview.com/interviews/woman-to-woman-an-interview-with-mary-gaitskill