A student's grandmother, who posted the images to social media, said the teacher should be "removed for her blatant insensitivity and racism towards teaching this lesson on slavery to our children."
Brandon Reynolds, 36, who was enraged at his daughter's attitude towards homework, decided to discipline her by spanking her with a shoe. The incident reportedly led to the 5-year-old's death.
Sunset Middle School, in Brentwood, apologized for its "gross error in judgement" over a social studies assignment.
Police have arrested four family members over the death.
"What truly upset me is the fact that they're talking about revenge sex," Omar Austin told Newsweek.