Happy to help, though it's probably best to post your questions publicly rather than PM. It may help someone else with similar questions and you may get other useful opinions from other people.
What about Edexcel international A levels? Could you take the exams at a school locally?
the problem is Edexcel isn't popular in the place i'm moving to, so there aren't any schools registered as exam centres. I'm still checking whether or not the local british council office would work