Unfortunately, a quick way of unenrolling students does not exist in Moodle. Each student must be unenrolled individually by following the steps below.

Step 1: Click Course Management while logged into your course

Step 2: Select Enrolled Users

Step 3: Select the Trash Can icon from the far right portion of the enrolled user you would like to unenroll

Unenrolling Students

Step 1: Click Course Management while logged into your course

Step 2: Select Enrolled Users

Step 3: Select the Trash Can icon from the far right portion of the enrolled user you would like to unenroll