1- Click on "Classes" in the left-hand menu.
2- Click on the name of your class. You will be redirected to a page that summarises all the information about your class.
3- Scroll down the page until you reach the list of your students
4- Click on the student's name you want to switch to another class.
5- Click "Change class" on the right to change the class of the student.
6- Click "Choose" to assign the student to the new class.