Ditto. Scouts & military first aid; more later, to keep up with changes.
Even in later grammar school they taught basics, during the 50s: The “Three Bees”: Blood; Breathing; Bones, in that order.
Bleeding out will kill faster than not breathing; broken bones are low on the list of death causes.
In retrospect, it wasn’t much to know, but then again, it doesn’t take much to render effective life-saving action.
Yup.