Being ahead does not come under SEN. There is no SEN money given over to those who are further ahead simply because they are further ahead.
zzzzz, I do agree every child should have an education appropriate to their needs, but they can have any rights they want, if the budget is not there, they are not going to get it.
Noble, I do know flip learning is not simply giving a child a computer course to work through. I was more thinking, with limited resources, looking at innovative ways to utilise computer courses could be preferable to the child having to sit through explanations of things they mastered several years back and enrichment consisting of giving them a more difficult work sheet with no extra teaching.