Swift is a decent car if you don't mind having a pitifully small boot, do not buy lower spec models on the newer types, as they've returned to putting drum brakes on the rear again on the SZ1 and SZ2 models.
If as an apprentice, you are in college 18 hours a week or more (ie not at your work placement), you are classified as a student. If that isn't the case, saying you're a student on the insurance would make your insurance completely void, and you must put yourself down as being employed.