I don't know anyone who has done it but we live slightly out of catchment from two schools we would very much like our son to attend. Virtually everyone we speak to suggests that we do exactly that, but we haven't. We did consider selling our house and moving legitimately but soon realised we couldn't afford to. When you are that desperate to do what feels like the best for your child it is hard to remain on the moral high ground, but we have.
One of the schools is Rugby School which would offer a scholarship of up to 100% if only we lived two streets closer in our little village. We are 0.1 of a mile out of catchment - that is hard to come to terms with!!