My name is ***** ***** I am a NSW Solicitor. Thank you for your question, and will do my best to assist you with your question. Please understand this is not legal advise Please understand this is not legal advise but a guide to assist you.
The school is incorrect if it is as a result of anything happening in the school it is their problem.
You can take out an intervention order against the children doing the harassing and intimidation through the Magistrates Court.
Also report this to Facebook as well.
If they are lying you can also speak to a solicitor about possible actions in defamation if they are telling others and this has a negative impact on your daughter.
The school should have a policy about this.
I hope this makes sense and is of assistance. If there is nothing further
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