In essence, we are all potatoes. No matter where you go, the distribution of potato level in people never changes. An above average potato will above average no matter where it goes and a below average potato will always be below average no matter where it goes.
Josh: Man, I feel like such a potato for making a B on that exam.
Larry: Dude, the next highest grade was a 53. What are you talking about?
Josh: Idk man sometimes I wonder if I would do better or worse at another school.
Sam: Nah man you'd do about the same. The potato relativity theorem says so.