You surely already have this? The majority of staff without children will generally pick their holidays outside school holidays. Private schools already stagger their holidays compared to state schools. I don't think it will effect businesses as much as you're making out.
On the continent they...
I think there could be many benefits, including to our economy. Whether leisure providers, holidays, destinations, etc. could all see their busy times extended by staggered dates.
This could be addressed if the dates were agreed across a local authority or region. I don't agree individual schools should be able to set dates, but say a county, or region, or local authority set a pattern of dates that schools, whether state, free or otherwise signed up to, it would get...
In principle, I like the idea.
You could get round the issue of different kids in different schools by coordinating the holidays by Local Authority or Region.
It's a disgrace the premium you pay to go away in a half term break. In fact you try to do anything, like a theme park and the places...
You are wrong on that. Holidays are not discounted outside school holidays, they are normal price. They are raised to a premium for the school holidays. Currently Private schools already stagger many of their holidays and their families enjoy paying a normal price for holidays in half terms etc...