it seems you've put a lot of thought into thi. first I think you need to research everything you can.which school? how to apply for a visa? what course? where will you live? how much money do you need? how long will you need to be there?and explain them this is what you want to do with your life. its normal that they're concerned. But if you show how much passion you have for this. I hope your parents will let you go