When I was younger I used to believe that the words to grease on the song 'Go back to high school' was you did school drama instead of beauty school dropout!
A childhood belief about misheard lyrics

others believed things like this
- When I was a kid, I believed that bible school was "beauty school", and called it that all the time.— Dana
- I used to believe that my school teachers lived inside the school and my school bus driver lived on the bus. Anon
- I used to believe that you got married right after you finished high school or college. Anon
- When I was about 5 or 6, I used to think the song 'Beauty and the Beast' was really 'Beauty and the Beef'.— Natski
- When I was in elementary school I use to think that teacher lived at school at their desks all year long.Anon
- when i first started school i thought the teachers lived in the school and slept on the tables.— emma