It was part of the curriculum for seniors in government class in Alaska back in the 1980's. It's also currently mentioned in 5th grade civics!
I've got BS Degrees (no pun intended) in Sociology and Criminal Justice. From junior high through college I never recall running into copyright laws in any class, except for some details on properly sourcing your essays to prevent accusations of plagarism. I also had government class "back in the 1980's" in high school, don't recall any copyright material being covered but it could just be my memory has completely forgotten it since I've never had to consider it since?