Funny Kid For President

This book was about a kid named Max and his best friend named Hugo who both are similar people. Hugo is the sidekick of Max, they are both under a teacher Mr Armstrong who is very strict who does not like Max. During the book there was an investigation under who made a poop in the classroom, as Mr Armstrong wanted to get Max in trouble but gets in trouble by the Principal Mrs Sniggles. Where I'm up to Max is running for class president using his sense of humour to win.
Also about the poop incident Max was planning a revenge plan that got Mr Armstrong and there is one girl named Abby who likes to tell on everything to Mr Armstrong that Max does and Max sees her as an evil witch.