Do some children in your class mess about or mis-behave? Does it distract you and stop you learning?
Well now there's a new behaviour czar, Tom Bennett ,who's been hired by the government to try to reduce problems in class in England and Wales.
They say one hour a day of learning is lost because children get distracted.
Ricky went to meet him and he took some Newsround viewers with him.
They quizzed him to find out how he's going to tackle bad behaviour.