The way mandatory school showers used to be after physical education class. This is from the January 13, 1941 issue of Life magazine.
https://books.google.com/books?id=RUoEAAAAMBAJ&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false
It's the lower shot on page 66, FYI.
This did happen guys, despite what the dumb school management did in response to ONE mother's complaint just because her spoiled little brat didn't want to take a proper shower with his classmates! They should have just either made it optional or put the brat in a special PE class that didn't get physically active, and so skipped the showers.
(And BTW, there's really no such thing as deodorant - It's just perfume released when you get hot, and like "air freshener", it's just a silly attempt to cover one odor with another... Anyone with a good nose can still smell your stink, as well as that of the perfume. The ONLY way to be rid of it is to shower!)
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