I’m not actually going to McGill and I actually have no clue about the answers to your questions, but I do know two people (from the U.S., I’m from the U.S. myself) who were just accepted into McGill and WOULD know the answers to these questions. But I don’t want to call them this late. If you want, I could find out for you a bit later (maybe in a few days?) if you let me email you or message you? I’d be more than happy to help. I just went through the college process myself and I know how incredibly frustrating it is. My email is [email protected] Get back to me if you want my help, don’t if you don’t. But good luck to you either way and I hope you find your answers!