BOSTON—A former student at a Roman Catholic college has filed a lawsuit against the school, claiming administrators didn't do enough to help her when she complained that her roommate was having too much sex in their dorm room.

Lindsay Blankmeyer said in a federal lawsuit that she suffered from depression and attention deficit disorder before she enrolled at Stonehill College, but was driven into a suicidal depression after school officials wouldn't give her reasonable housing alternatives to get her away from her roommate at the school in Easton, Mass.

Blankmeyer said her roommate had sex with her boyfriend while she was trying to sleep just feet away and also participated in "sexually inappropriate video chatting" while Blankmeyer was in the dorm room.

After trying unsuccessfully to persuade school officials to force her roommate to move out or to give her an acceptable private room, Blankmeyer ended up living at a hotel, according to the lawsuit filed earlier this week....