This whole flap sounds like the "parents" got worried about the play concerning the 17th Century Salem witch trials, so they held a witch trial of their own.
Forcing a teacher to resign over students pretending like they are smoking or kissing in a grease production is foolish.
This kind of crap really ticks me off. By the time they finish high school, your typical Lithuanian kid (in Lithuania) has studied about a dozen Shakespeare plays. In English.
In case no one else has noted it:
The Crucible was Miller's play condemning the Hollywood black lists and McCarthyism and those who cooperated.
Witch Hunt. Get it?