Sharon Haines is introduced in Shouldn't You Be in School? as a person working in the Stain'd-by-the-Sea's Department of Education. She befriends S. Theodora Markson, frequently spending time with her until possibly severing the friendship from the former's part after abducting Moxie Mallahan, Jake Hix, Cleo Knight and her son, Kellar Haines.
At some point of time, Sharon was notified of her daughter, Lizzie Haines being held for ransom by Hangfire, propelling her to have a sort of paranoid fear while serving him for her release. She got her son, Kellar to join her as well, and it was noted by Kellar that she 'wasn't always this way.'
Shouldn't You Be in School?
Upon the arrival of Lemony Snicket and S. Theodora Markson at 350 Wayward Way, Sharon put up the pretense of working in the non-existent Department of Education. She disregards her son, Kellar in the similar way that Theodora disregards her apprentice, Lemony, and they discuss on the case presented. A barn was burned, according to Sharon, and many schoolchildren are in danger. The sole witness to the case is a man named Harold Limetta, and Sharon and Theodora get along amiably, creating a supposed friendship. They paint their nails the same color: yellow.
At the arrest of Dashiell Qwerty, who was arrested for arson (though he was framed), Sharon celebrates with Theodora in the Far East Suite, who knew nothing about the real plan in hand. Seemingly unbothered by Lemony's remark on how schoolchildren were in danger, she resumes partying with Theodora.
Having participated in (Literally) striking a deal with Theodora for Lemony's safety, she merely abducts Moxie, Jake, Cleo and Kellar, with the condition that Theodora and Lemony leave Stain'd-by-the-Sea. She appears again to speak to Filene N. Gottlin in the Wade Academy, reminding her that the next day was a very important day, and that everyone was counting on her. Later, she rounds up the delirious children of the Wade Academy to rob Partial Foods of its honeydew melons on a field trip, and her son, Kellar tries to convince her to stop working for Hangfire.
Why Is This Night Different from All Other Nights?
To be written.
A very edgy woman, Sharon seems a little too eager to convince others while pretending or covering up things. She has some sort of hold on her son, Kellar, to the point where he is afraid to divulge the truth directly to Lemony and his associates.
She is also shown to be very cruel, giving out orders and threatening others subtly. This is mainly spurred on by her motivation to get her daughter, Lizzie, back from Hangfire.