28 years old of boy looking for accomodation in mestre, venice

Hello. I am a boy 28 years old and i am from Ethiopia. I am master student at ca'foscari university of venice scientific campus in mestre.  I stay here arround 2 years. I am looking for accomodation urgently.  It is ok if shared room or single. I have two other friends.. but is is possible also to share with some other friends. our maximum monthly budget is €250.