|This article is about the Netflix series character. You may be looking for the book character.|
Throughout the Series
She is the counselor at Liberty High School very early on, later substituted by Kevin Porter. She is mentioned to some length at the tape of Hannah Baker's second Reason, and it is shown that she attained a measure of appreciation and respect by both Hannah and the other student.
Mrs. Antilly is genuinely dedicated to her students, to the point of willing entering awkward situations in order to ease them into a better, more confortable fit to the environment of Liberty High School.