Things not to do at Hogwarts

Steal the Marauders Map

Force Snape to wash his hair

Steal candy from Dumbledore

Insult Moaning Myrtle

Go into the shrieking shack on the night of a full moon

Fill the pumpkin juice with Veritaserum

Use the serious/Sirius joke

Teach Peeves any new pranks

Insult a Marauder

Steal confiscated Dung bombs

Then throw them into Snape's potion

Reenact Harry Potter Puppet Pals Videos (A.N. I do not own)

Start singing songs from Grease when Snape enters a room

Bring the Dursleys

Mock McGonagall

Place a repelling charm around the Marauders so they can't get within 10 feet of each other

Place a sticking charm so that the Marauders and Snape have to be within 5 ft of each other. Make it last a few weeks.

Announce to the Slytherins that Voldemort is half blood

Call Snape Batman and ask him if the Bat cave is in the dungeons

Paint the other house's common rooms red and gold

Tell Dumbledore that they refuse to send him any more lemon drops

Charm the Sorting Hat to put Slytherins in Gryffindor and vise versa.

Ban James from going near Lilly for a week

Paint the all the brooms in the school pink with lime green polka dots

Create Muggle Karaoke Day