Use the Class Summary pane in Classroom
The Class Summary pane lets you view information about each student’s use of their device during a class.
The Class Summary pane appears automatically when you end a class. You can select each item and view the:
App usage: Which apps were used by the students and the length of time the students used them during class
Items shared: Documents or websites being shared by the students
Student list: The list of students that participated in the class