I used to believe that getting a tardy slip at school meant you had to wear a leotard all day as punishment for being late.
A childhood belief about classes

others believed things like this
- I used to think that my teacher lived at school until she came to school late one day. I was shocked!— Wow, you have a life?!
- I used to think that when you went to junior school you had to wear a turban.— Ellie Stott
- I used to think that girls' anuses were green. I remember thinking that as late as high school.— Jack
- When I was in elementary school nuns cam to our school. I thought that 'nun' meant they had no religion.Anon
- That a satchel was a skeleton, and I would have to wear a skeleton on my back for school!Anon
- I used to think that all judges had to wear those wigs.— M