There are plenty of things that should be discussed before moving in together: how to handle chores, bills, having company over, etc. You may even discuss what are appropriate noise levels and when so as to be respectful of each other's needs when resting.
Do Not Use Each Other's Things Without Asking. Not using each other's things without asking is one of the more obvious roommate rules. While some people are more casual about sharing, others are not. You have to learn what kind of person your roommate is and then act ingly.
What's your major? Why did you choose this school? What's something you hope is different here than it was in high school? What would a perfect class schedule look like to you? How and when do you like to study? What are you looking forward to the most here? Are you going to join any clubs or sports?
Class schedule and when you will not be in the dorm room. This way your roommate should know when to bring over significant others. Fridge space. How is it divided? ... If shared TV what are the rules. Do they have headphones? If not they need to buy. Sleep schedule. Cleaning rules. Any medical conditions, allergies.
Choose the Right Moment : Look for a time when your roommate seems relaxed or not busy, such as when you're both in the living room or kitchen. Open with a Friendly Greeting : A simple ``Hey, how's it going?'' or ``Hi! Mention Shared Spaces Ask Open-Ended Questions
I'd suggest asking when they go to sleep, what time they wake up, their school schedule, can they sleep with noise on, how do they feel about guests, what kind of cleaning schedule should we set, etc.
What is the weirdest thing you've ever eaten? If you could live anywhere in the world for a month where would it be? What is the most daring/craziest thing you've ever done? You are a superhero, but unfortunately you're stuck with a special power that is entirely useless.
What do you want in a roommate? How often do you cook? How long do you plan to stay? What are challenges you've faced in past living situations? Do you have references? Ask for phone numbers and email addresses. Anything else I should know?
Questions to Ask When Searching for a Roommate What's your sleeping schedule like? ... Are you messy or clean? How often do you like to clean? How will cleaning be shared? At what temperature do you like to keep the room and/or apartment? Are you okay with sharing/borrowing clothes, food, etc.?
Questions to Ask a New Roommate When Living in the Dorm What is your major? What does your class schedule look like? Are you taking part in any clubs, sports, or extracurricular activities? Are you currently working? ... Do you consider yourself to be a morning person/early riser or a night owl?