1.The ability to convey messages to the class efficiently (face to face), no stupid comments.
Solutions:The only person who can speak holds an item or so. Sitting at own seats.
LDs down. Drawing of idea on board.
2.Class teamwork:No flaming, no putting each other down such as ; ironies or such.Even if you want to someones flame think it through first, with the words at the tip of your tongue stop for a moment and find every reason to not retaliate(it helps by thinking of what the teachers can do to you(consequences) this helps a lot as when you show your maturity your friends tend to follow suit.
3.More monthly or weekly exco meetings to see what they can do to improve the class.
E.g.:Class funds, every month collect a sum.
Well I hope we can start anew.
There, thank you and think this through.