This will differ with different types of colleges, because some colleges do provide somethings which other colleges do not provide. There is also the obvious ones like clothes and personal effects such as towels and tooth brush. Another essential thing is books and documents that maybe required by the school. It is good to read the requirement letter given by the school once you are admitted. Some colleges will allow you to have a cellphone and others will not allow it. You should get this information from the college before leaving and ensure you have the right things.