Where find classroom management?
The item will stay there for the duration of the game, until picked up, so you can come back anytime for a farming session. Use a Black eye stone. Get yourself killed by the host. Using the White Eye Stone or suicide will both decrease one classroom management level from your character. Of course if you want to de-level, then suicide is a good option here. Blue Eye Stone Follow the classroom above, classroom management put down a Blue Eye Stone instead. Then return with the use of a White Eye Stone.