Students are automatically enrolled in Canvas courses as it is synchronized with the student registration system. This article explains how instructors can manually (if needed) add participants to their site.
This process can be used to add TAs, course guests and others who need site access. And, during the Add/Drop period, since there can be a delay from the time an Add is processed through the registrar's office and then fed to Canvas (a once daily process), we recommend that faculty use this process to add those students to their Canvas site manually to ensure their timely access to course materials.
Please note: Students can be added to the class along with other roles such as TA's. Instructors cannot delete students who are enrolled via the registration system. If/When students drop the class, they will be removed form the course automatically. Instructors can manage user roles and access to sections (if more than one) for users they enroll manually.