Cohorts
From MoodleDocs
Template:Moodle 2.0 Cohorts, or site-wide groups, enable all members of a cohort to be enrolled in a course in one click.
To synchronise cohort members with course participants, the cohort enrolment plugin should be enabled in Site administration > Plugins > Enrolments > Manage enrol plugins.
To add a Cohort goto: Users> Accounts> Cohorts. Click 'Add'
