Matt,
Good luck with your application to university and well done for taking the time to investigate your options via PPRuNe - please make sure you have a pinch of salt ready when you read the responses!
I note that you intend to go to university to read physics and join the UAS - good luck, but be aware that, dependant of which UAS you attempt to join, there may be up to 10 other undergraduates trying to fill each of the few places that are available!
all the best,
Duncs