Back when my sister was the age to start preparing for college, I heard her and her friends speaking of "taking college boards". At first I thought that meant that some wooden parts of college buildings would be missing from some strange ritual where prospective college students went and stole them.
A childhood belief about classes

others believed things like this
- I thought that wars had to last four years... just like high school and college.— A. Falk
- I use to belive that in college, you would have sex on a bed and be noted :D im serious.Anon
- i used to believe that everyone got married the day they graduated from collegeAnon
- I used to think all wars lasted only 4 years, like college or something. Anon
- I used to believe that you got married right after you finished high school or college. Anon
- The very first time I saw a globe (of Earth, yes) I asked where "College" was located.— Shade