a standard and they said they had, then it would be down to them to show evidence that they were correct.
other than that just typing a sentence of 'evidence' in the end of term reports is sufficient. all of us sign the report, so no-one outside of school is likely to suggest we all haven't a clue.
thank you for your advice. i'm going to gather together any bits and pieces that i think will be useful just in case but won't go mad getting a folder together! 