Just focus on execution, if you have an idea try to find out the smallest piece of that which you can execute while being a student, once you figure that out just start executing.
Test yourself, are you doing it for the right reasons? I think nowadays a lot of young people do startups or entrepreneurial ventures for the wrong reasons. Don't do startups for getting funded, don't do startups because you want to be your own boss.
Come up with a plan, doesn’t need to be a business plan, doesn’t need to be a 20 page PPT, just open the notes app on your phone and start typing the things you need to do to get started with your idea, come up with a 5-6 step plan so that you know what needs to be done and get started.