If you should require a visa for coming to study in Switzerland you should apply as early as possible. Please note that it take 8 to 12 weeks to get a student visa!. Please refer the the specific section on the Swiss Government's homepage and talk to the Swiss consulate responsible for your application in your home country.  More information on visas on the site of the University of Lausanne...

doc   Application_for_a_temporary_residence_permit.docx  (217 Kb)

 in this site:

CH-1015 Lausanne  - Switzerland  -  Phone +41 21 692 27 90  -  Fax  +41 21 692 27 85