Why not fix the school holidays and keep the Easter weekend variable, with a bank holiday?
Why not just fix a standard national spring holiday week each April so as to allow full educational terms and so that people and employers can plan leave arrangements around the same calendar weeks each year a (say 2nd or 3rd full week each April) and leave Christians to sort out their own special days which they can take time off for if they must.
For example this year Easter is at the end of March, which is early weather-wise, whereas in 2017 it is a full 3 weeks later in mid-April: this is plain daft, and the mid-April in 2017 is more likely to produce better spring holiday weather than this year compared to this year but we are stuck with late-March due to 'tradition': seems to me that the tail is wagging the dog!
Seems odd to me that the dates for a spring holiday for society in general (e.g. the rest of us) need to be locked into variable religious special days that holiday-wise just involve a long Friday- Monday weekend, so if a spring holiday is seen as a 'good thing' then I can't see that this needs to be dictated by Christian traditions that are variable because it was decided centuries ago to follow a lunar cycle. I'd say we should have a standard 'spring week' that fits with education timetables and that Christians should just do their own thing whenever it suits them.