Where to stay while studying

We don’t have residence halls, but students who need housing are generally able to find apartments, rooms, houses, and other types of lodging in the New York City area.

For longer term stays:

You can get housing assistance through the Student Services Office, where offerings and listings by educational housing providers are maintained.

Or try one of these:
StudentHousing.org
NYHabitat.com
Roommates.com
Newyork.craigslist.org
92Y.org