When I didn’t want to go to class in high school I would pull out the stack of stolen guidance office passes I carried with me and write myself a note to give to the teacher. It was enough to get me out of class and through the halls to the empty 3rd fl office I had “found” a key for.
Once I was in there, it was out the window and onto the roof where I had a lawn chair set up and out of the line of anyone’s sight.