Jack cocked up an eyebrow, impressed. While there were plenty of students that walked through his door, not many of them were able to correctly guess what he was. A banshee was not among the most well-known of supernatural creatures - in that case, Ms. Hallowfen, Mr. Kaden and Mr. Farrowe were far easier to guess.
And, even the ones that did land on a banshee, did not always know that they, according to legend, exclusively women.