Simplify the following text for a Grade 10 native English-speaking person.
Original: In the United States and some of English-speaking Canada , students at tax funded schools have historically been required to shower with classmates of the same sex after physical education classes .
Simplified: In the U.S. and some of the English-speaking majority of Canada , students at public schools have historically been required to shower communally with classmates of the same sex after physical education classes .