Your role will default to Kindergarten Teacher. You can change your role by following these steps:
Click on the drop down next to your name in the header
Click on Account Settings.
Click on the Role dropdown and select the appropriate role.
Please note that the role is not currently used in the platform for anything functional, but you can change it here so that it reflects your actual role. Role is also not the same as license level, as your license level directly determines what you can access.