For years the Berkeley CA school District must have had a free copy. It was shown from grade 5 1978 (age 10 until age 14)1982. Its raining outside "show them the woman called Mosses", teacher is hung over, "woman called Mosses" again, temp teacher, hey we can watch this movie! That is not the worst, it was a good movie.
But under the Geneva Convention I was tortured. I was forced to learn all the words to "I am woman hear me roar" in third grade. As well as many Dylan songs. People wonder why we hate hippies.
Actually if you have a child it is not a bad movie to show them. Mrs. Tyson is of course great. But a teacher friend of mind says they now have something animated for kids about the underground railroad and animation holds their attention a lot better.