to. >> reporter: the fact that all the banned materials are by or about people of color is just a coinc coincidence, according to the school board president. concerns were based on the content of the resources, not the author or topic, she said in a statement. she and the rest of the school board refused to speak on camera. she says it's not a ban, the materials are frozen while the board vets them. but the process is still ongoing. after nearly a year. that suits some parents in this 82% white district just fine. >> i don't want my daughter growing up feeling guilty because she's white. >> reporter: that sentiment is spreading. at least 27 states have passed or are considering policies strictly defining what students are allowed to learn about race. one expert says the york ban is something new. >> this seems pretty egregious. i mean, i can see how certain trainings or workshops that some parents take exception to seem really outside of what a history class can be expected to do.