When I was in grammar school& high school back 50s, we weren’t allowed to wear hats or caps of any kind inside the building.
But did they teach you to read?
Recess is not inside the building.
That’s the key Graybeard58, INISIDE the building. I remember kids wearing hats, but boys had to remove them when they went into the buildings.
Part of being a boy is wearing ball caps. It’s also part of being a boy to emulate his heros. My boy was either superman, or Dukes of hazard depending on his mood. For this kid, his hero is Trump and there’s not a darn thing wrong with that!
I remember boys in school wearing red socks baseball caps.