Under the new rules, teachers have total control. It would be up to them if they wanted to carry on teaching you when you've been foul-mouthed.
Prison sentence
Bad language in the classroom is now being seen as disruptive as fighting and misbehaving.
"It's horrible getting called things when I'm just trying to do my job and teach kids," one teacher told Newsround.
And if you think that's tough, schools in France are considering sending kids to prison if they continually swear and bad-mouth teachers!
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