When I was in grade seven, I thought the name of a geometric angle was "ejaculate" and called out that answer during a lesson. I didn't realize until grade eight that the CORRECT name for the angle was "adjacent". Everyone had laughed at me, but no one told me I was wrong, even the teacher!
A childhood belief about classes

others believed things like this
- A[n] nth grade teacher only had to finish the nth grade when he or she was in school.— MD Caruso
- im grade 2, my teacher said that she was 2000 years old and i belived her— ---pepsi---
- I used to believe that beethoven's first name was beethoven. I was proven wrong in 4th grade.— Maria
- Until I tried it in 3rd grade, my parents told me that if I ate paper my poop would come out in packages.— The Mailman
- I was told in first grade that if you fart burp and sneeze at the same time you would blow up— bob doodle
- In first grade a boy told me that he could see girls naked with his microscope lens. I beleived it for years.— Jeanette