I just emailed Leah from GWU about their waitlist. Here's what she had to say:
The waitlist is not ranked but its pretty fluid. It changes day to day so we never have an exact number. We will probably have some movement this year, but of course if we knew how many exactly we wouldnt need a waitlist.
If there are seats available the committee re- reviews the files with all the new letters of interest and then selects members. Once selected, the students are usally called and emailed.
The interviews are looked at in compliation with the entire file. We saw you on paper and then in person. I dont know the exact breakdown because that is what makes the admissions committee confidential.
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EEEEPPP!!!