2. You commonly refer to all of your friends by some variation of their last name.
They might as well not have had a first name, because you probably didn’t remember it anyway.
7. You probably never had this class.
16. You got annoyed when the cool public school kids always asked, “How do you meet girls?”
23. You have a soft spot for every movie that depicts life at an all-boys school.
Even if none of them were remotely similar to your own experience.