Our expert says:
Only a proper assessment by a psychiatrist could establish a sound diagnosis. The two conditions are quite different, so the distinction shouldn't be difficult. Trauma in a robbery ( presmably not occurring at school ) is unlikely to transfer to a hatred of school as such. But there is, in the example you quote, a possibility that experiences like being abused could cause flashbacks of the original trauma if this is PTSD. But abusive l;anguage from teachers should not be tolerated, and reported to the headmaster and school governors. And he needs to be helped to understand that homework is for HIS benefit, not the teacher's, and indeed by doing his homework well, he gives the nasty teacher more work.
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