Hi! I know of a plugin Called Chairz (i think) it allows players to sit dpwn as if in a minecraft on stairs it can be a bit buggy. So you may want to test it first but it would be really cool if you got to actually sit down in class and not hold the shift key for the whole class.
~Thank you
Mortal_Wombat44
~Thank you
Mortal_Wombat44