Stage Manager helps you organize apps on your desktop. If Stage Manager is enabled on a device during testing, a student may be able to access apps other than the Secure Browser.
Disable from the menu bar:
Click on the Control Center icon in the upper right of the screen.
Select Stage Manager.
Click on the toggle switch to turn off.
Disable from the Apple menu:
Click on the Apple Menu in the upper left of the screen.
Select System Settings.
Open Desktop & Dock.
Select Windows & Apps.
Toggle off the Stage Manager.