As a reminder Admins have the following capabilities:
Can view teacher activity data and student response data across the team
Can invite other Admins & Org Managers
Can add teachers to a team
Can move teachers to different teams
Access to all Silver/Gold features
To move a teacher from one team to another :
select the team that the teacher is currently on
select the teacher from the list
Click the drop-down that says teacher, and scroll down to Move to Team
A modal will pop up and you can select teams to move the user to (the teams should be the same teams in the team management tab)
The user should be moved and the modal will close