We were planning a few days away visiting family over Easter, should we cancel it or leave our son at home to get on with work in peace; his older sister will be around to keep an eye on him?
Easter really is the last chance saloon for getting coursework done, and a welcome break from lessons to concentrate on this if needed. That must be the top priority. Hopefully your child has the luxury of putting coursework behind them and can use Easter productively to get ready for the challenge ahead. The revision timetable needs drawing up and a start making, especially getting to know those topics from back in the care-free days of year 10. If you are going away ensure your child has packed some work, the rest will do them good as will the change of scene but they mustn't avoid what needs to be done, leaving them alone to get on is not a good idea, even if they can be trusted to not invite all their friends round for a party the extra challenge of looking after themselves, cooking meals etc will make it harder to get anything productive done just at a time when they need mothering a bit more than usual.
Easter revision courses and private tutors can be a help but there are some pitfalls- not least financial, you need to ensure they are covering the exam courses you child is sitting, for example there are large number of science GCSE's these days and different History courses are taught around distinct time periods. Some courses may be generic and of little use and few can claim to be as useful as the personalised and tailored support our teachers, who have an outstanding record in preparing students for exams and know you child personally, can offer.