Answer:
Some colleges require their students to live on-campus through their freshman year, after freshman year they are allowed to live off-campus.
There are different living arrangements that students can choose as per their needs. The four options are; Home, College Dorm, Off-campus Apartment, Greek life houses.
After freshman year, students can live with their parents and commute to college from home every day. It is the cheapest option as they don't need to pay any rent or they can opt for an On-campus residential building is called Dorm. In dorms, a room is shared by two or more students. In dorms a students living expenses are low.