Hi there!! Sounds like a really tough situation, but you are not alone!! I'm sure that not only are other people at your school feeling this way, but so are first years all around the world - myself included! I moved into my university 2 days ago, and I miss my parents a lot to the point I've considered quitting. However, try and balance your need to leave and live with your parents again with your ambitions, how you can take advantage of this new freedom, what friends you can make, and other stuff like that!! As someone who is finding it hard to adjust to the change of living by myself, don't consider it a weakness that you miss your parents - it's completely natural and it is a very understandable feeling. If you feel comfortable, speak with staff concerned with student wellbeing - you'd be surprised at how many students have been feeling the same way as you!
Another great thing to do is get involved. Even if you don't want to beforehand, it's a great idea to put yourself out there and join clubs, and speak to people whose rooms are near to yours. Once you make some good friends (no rush on this btw!!), your perspective will change.
Good luck my friend!! Don't be afraid to reach out again if you need some support 💖