How to approach sexual, racial, and economic content in an art class

after meeting with one of my professors about a past presentation i did, we began discussing difficult things to talk about in an art classroom. some of the topics that we were discussing was Sexual, racial, and economic content. the one highly influential artist that tackles all three is Kara Walker. despite how i love her work, and how i understand her concepts, the fact is that she is hard to show students in a classroom without having parents making complaints about showing their children something that is completely inappropriate. i still feel despite all that that she needs to be discussed as an artist in a high school classroom. why you might ask? because i feel that at that age they are all experimenting with sex, and are constantly subjected to it anyways with the media, and every day life that showing them a piece of art work that screams it wouldn't be too far from what they deal with on a daily basis. i feel that these students need to be subjected to the nude form of the human body not as a naked body, but as a piece of art work that could portray a story without it being pornography. here is a few images of her work: