Seems about right. My secondary school had one maybe-borderline aggressor, PE teacher that would segregate girls from boys, send boys to play football outside,

Seems about right. My secondary school had one maybe-borderline aggressor, PE teacher that would segregate girls from boys, send boys to play football outside, stay with only the girls. No idea if / how many fell... The difficulty is where to draw the line, and clearly in this day and age "no adult alone with the kids ever" seems totally appropriate, not just for the kid's safety but also against rumors. In his case, we will never know.