At least every half day of school day must be sports related !
"The documented history of sports goes back at least 3,000 years. In the beginning, sports often involved the preparation for war or training as a hunter, which explains why so many early games involved the throwing of spears, stakes, and rocks, and sparring one-on-one with opponents."
https://www.thoughtco.com/history-of-sports-1992447#:~:text=The%20documented%20history%20of%20sports,%2Don%2Done%20with%20opponents.
https://en.wikipedia.org/wiki/Category:High_school_sports