How do I allow students to edit and delete their own discussion posts in a course?
You can allow students to edit and delete their own discussion posts by changing the course settings. Settings are available in the Discussions page or the Course Settings page.
Note: When enabled, this setting also applies to group discussions.
Discussions Page Settings
In Course Navigation, click the Discussions link.
Edit Discussion Settings
You can also change the Discussions permissions in the Course Settings.
In Course Navigation, click the Settings link.