In chains these people were beaten and abused for generations. And now you use your 'science' to keep them chained and strip them of their dignity in the public schools and you expect approval for your veiled efforts of racial hatred.

Raise your own child with books and ideas that tell her she is as dumb as a dog and see what kind of product you get. Tell yourself and all the neighbors she is as dumb as a dog, maybe that will help you and the rest of the world treat her better too.