SMU does not arrange accommodation for International exchange students. However, the Office of Student Life has some housing options on the website for your consideration:
http://www.smu.edu.sg/students/student_life/international_students/predeparture.asp

SMU Hostel

Due to limited rooms at the SMU hostel, we regret to inform that the SMU hostel is not available for international exchange students.

Student Hostels

 A list of student hostels in Singapore can be found on the weblink mentioned above.

Private Accommodation

Exchange students are advised to seek private accommodation.

Kindly source for an apartment on your own or seek the help of private agents

An accommodation guide will be included in your acceptance information package to aid you in your search for housing.

Please note that SMU is not liable for any agreements made between the student(s) and the landlord / hostel management.