What would you do in my situation?Watch
Why are you working when you could be having a six month holiday ?
Bear in mind that you'll never get a chance to have this long a holiday again until after you retire.
The Scottish educational system is different from England, why should they have to change to suit the English system of A levels? If you are English and want to go to uni here then you'll just have to fit in with the system, just like if I wanted to go to uni in England I would have to fit in with them.
If i was you I would be long gone.. I quit school in November soon as i had my unconditional from Edinburgh for law. Although i did hate school and was wasting my time doing int2 media studies, and advanced higher biology(my school hardly only offered AH in bio,chem,maths), ..obviously really relevant to my future.