I was convinced that there were only 11 grades of school, and grade 12 was college. My mother didn't correct me until I was in the 6th grade, LOL!
A childhood belief about classes

others believed things like this
- i used to think that the four years of college were also known as the 13th, 14th, 15th, and 16th grades.— lydia
- A[n] nth grade teacher only had to finish the nth grade when he or she was in school.— MD Caruso
- Up until 8th grade or so, I was convinced that I invented the word "Fart"— Jonah
- When I was a child, I used to think that one day my brother and I would be in the same grade at school.— Alexis Yahir López
- When a "mean girl" in early grade school asked me if I was a virgin I answered "no I am catholic."— Hilary
- There was a popular rumor back in grade school that BUBBLE YUM gum was made with spider eggs.— Amber