Year Seven pupils at Shafton Advanced Learning Centre in Barnsley, Yorkshire, were given a worksheet asking to decide how appropriate the words are.
The worksheet - called 'Acceptable or Not?' - which listed situations including: using the c-word, telling your friend to f*** off and shouting f*** off across a classroom, in a shopping centre or in assembly.
Pupils were asked about the appropriateness of saying s**t, calling someone a d***head during a lesson, making comments like 'it's pi**ing it down' and telling someone to bu**er off
Pupils were asked if it was 'always OK', 'sometimes OK, 'depends' or 'Never ok' to say the words.
Karen Young, 43, was appalled when her stepdaughter Lauren Sparks, 12, brought the worksheet home to show her.
She said: "I was just disgusted, it was a shock. I don't swear in front of children and don't think they should be subjected to this.
"Lauren was also disgusted and said they shouldn't be shown things like this and asked to do work like this.
"Lauren said the kids were going mad in the class, shouting out the swear words.
"It sounds like that nothing was being done in a controlled, responsible manner, which I found frightening. It's giving children a licence to swear."
In a statement, the school said: "As part of our social responsibility we are educating our students to understand what kind of language is appropriate, at what times and in what contexts."
What do you make of this?
A potentially good idea poorly executed or entirely unnecessary?
More on Parentdish: There are worse things than swearing in front of your children
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