Feb 23, - Pretty quickly these awkward rules were abandoned and students could stay over in each others' rooms. At this point dorm bathrooms started to go coed, usually How would you change your clothes in your co-ed dorm? May 5, - In the prim s, college dorms were off-limits to members of the opposite sex. Then came the s, when male and female students started crossing paths in coed dormitories. Now, to the astonishment of some Baby Boomer parents, a growing number of colleges are going even further: coed rooms.