Chesaning Middle School in central Michigan. (Sylvia Jarrus/For The Washington Post) By the time Black History Month arrived at Chesaning Middle School in central Michigan in 2024, the only Black girl in the fifth grade had already endured a string of racial slurs. On the bus, she was called a “monkey,” she said. Students hurled the n-word at her and said her skin was “burnt like a piece of chicken.”Then, apparently inspired by a February lesson about slavery, a White boy asked her, “Hey slave, where are your tools so you can get back to working?”School officials told the girl’s...