Creating groups at the account-level is similar to viewing groups at the course-level. The groups created at the account-level will still show up in the Courses & Groups menu in the Global Navigation Menu. You can also create new group categories at the sub-account level.
Select the Managed Account in the Courses & Groups drop-down menu.
In Account Navigation, click the Users link.
View All Users
Click the View User Groups button.
Add Group Set
Click the Add Group Set button. You can create different types of Group Sets (admin, faculty, student, and TA).
Create Group Set
Type a name in the Group Set Name field  and click the Save button .