How do I add site members to a section?
Go to Section Info.
Select the Section Info tool from the Tool Menu in your site.
Select students from the class list.
Click one or more student names in the list of site participants on the left, and then use the right arrow button to add the selected student(s) to the section list on the right.
Click Assign students.
When you have finished adding students to the list on the right, click the Assign students button.