To Change Student E-mail Addresses:

1. Go to Control Panel > User Management > List / Modify Users
2. Either Search for the particular student, or List All
3. Click the Properties button to the right of the student's name
4. Fill in the new email address
5. Leave the password fields blank
6. Click Submit at the bottom of the page

NOTE: changes will affect the student's email address in all of their Moodle courses.