When searching for a student accommodation, be aware of the following criteria: proximity to your school campus or University, easy access by public transport, proximity to ameneties of Mulhouse if you want to enjoy the cultural and nocturnal student life. The security aspect is also important, as are the budget and the comfort of the apartment for rent.
Finally, be aware that you can also do your research directly by proximity to the school, create an online file to put all the chances on your side when you have a crush.
Good luck for your student accommodation researches in Mulhouse and good moving