Canada Immigration will not issue a study permit based on your desire to study in Canada. You must actually obtain an acceptance letter from the school, university or college in Canada. Once you have your acceptance letter you are in the position to begin the process of making a student application.
Application for student Visa
Applications may be made by paper or online. In order to apply online you must have access to a scanner and be able to upload copies of your documents and have a valid credit card for payment.
Once the application is submitted, you may be requested to provide a medical exam as well as a police certificate.
Due to the fact that applications are time sensitive because the educational acceptance letters, these visas tend to be processed relatively fast. The timelines are dependant on the which country the application is made from, however generally speaking such visas are completed within 6 weeks.