View and Add Scheduling Groups
Abl uses scheduling groups to prioritize students groups when placing sections and tumbling. While some groupings may sync from your SIS (like EL and IEP), there is extensive functionality to customize groupings for students and courses inside Abl's Data Manager.
Default Scheduling Group Categories
Courses, Students, and Staff each have a default set of scheduling group categories. Schedulers can add groups within each of these categories, and even create custom groups in an additional "other" category. The default scheduling group categories are:

View and Add Scheduling Groups
Click on Data Manager

Click on Courses, Staff, or Students depending on which resource you are investigating
Click on the Manage Groups dropdown on the right side of the screen

Select the group category you wish to review
To add a group type the group name in the empty box and click Add. Group names cannot be deleted because many of them originate in the SIS.
