<p>Yes, you’re allowed to choose your roommate, although you don’t have to choose one.</p>
<p>Once you’re assigned a final dorm in the lottery process, you will go through some sort of “in-house” residence selection process – you’ll rank the floors/entries/sections of the dorm. At this point, you’re allowed to “staple” – write the name of another student whom you’ve selected to room with. If that student writes you also, you’ll be assigned as roommates by the Room Assignment Chair.</p>
<p>Here’s an overview of the room assignment process, for those who missed it –