Yes, you absolutely can change the email address that you send and receive messages to.
Find the class you wish to change your email for and select the ‘Members’ tab to locate your details, then you can ‘Edit’ your details. The change needs to be made to each class you wish to use this new email.
OTHER MEMBERS (PARENTS, STUDENTS, OTHER TEACHERS, VOLUNTEERS, ADMINISTRATORS)
If you’re registered* for the service you can make the change yourself by selecting the class you wish to change, then clicking on the ‘members’ icon to open your details.