Yeah, I'm not sure if trying to RP out the classes is the best idea...there's a reason people hate school. So boring. Anyway, I'd just say move it along to some other time in the day if you've got nothing else to add to the classroom scene. Maybe move Penelope's timeline ahead to lunch so she can meet some new people (at least when everyone else catches up and Kepesk gets back) and maybe have Demi's next period be an open one so he has an hour or so to wander around and plot his little plot.