Student Cannot Edit their Email Address
Is the student's email address not editable in their Profile?
The School Admin must update a setting in the Settings page to Allow editing of the Student Email.
Once this is toggled on, the student can edit their email address in their Profile.

The student can then edit their profile, by clicking the profile icon in the upper right corner of the x2VOL webpage.

Student's view of Profile page where they can edit their email address:

*If you are a school admin and wish to have the ability to login as the student to change their email address, please see this help article.