Can you see if you z. B downloading Netflix? With the rental device that the school lends you?
When you see your history.
May be
Can they see your history?
If you don't delete it. I don't use any device from school. If you are looking through apps and you have not been allowed to do so, you should uninstall them again and delete the apps from your history in the Playstore, I just forgot what it is called there.