Then, your gym teacher tells you to strip naked and walk onto the pool deck with your nude male classmates. Yes, those same classmates you sit next to in math. But for more than 50 years even until , by some accounts , this was standard policy at public high schools in Chicago and across the country. Michael and several other listeners have sent questions to Curious City asking for more information about the school policy. Why did Chicago boys swim naked in high school? How did that start and why did it stop?