You must be logged in as an Educator plus Admin to move students to a different teacher. To move Student accounts from one Educator to another, go to the Accounts page.
Next, search for and click on the Student account you wish to move. Change the Assigned to Educator(s) field to the new teacher and click on Save.
Educators with the Admin role can also use this feature to move Students and Educators to a different School within the District.