The class Roster is available in the Content section of your course in the Details & Actions section along the left hand side. Click view everyone in your course to see the full class roster.
Please refer to the image below for details on how to access to the class Roster.
The Roster lets you view your class list, manage and enroll students, connect with your students, and match faces to names. You can also send messages to anyone involved with your course.
To add a user to the course site, follow these steps.