“Trump is actually having an effect on America’s children,” Jonathan Cohen, an adjunct professor at Teachers College, Columbia University, told the Hechinger Report. “It’s not surprising. I’ve been hearing this in conversations I’ve been having with superintendents across America, an increase in students being mean and intentionally cruel, especially to immigrants.”

Researchers found that bullying was 18 percent higher at middle schools in Republican districts compared with those in Democratic districts. And teasing about race and ethnicity was 9 percent higher in Republican districts than in Democratic districts.

“It’s not that Trump alone is affecting how people think and feel and act,” Cohen said. “It’s Trump in partnership with the local community. If we have a large segment of the parent community who are connected to racist, anti-immigrant sentiment, then Trump is giving permission to these people to give voice to that sentiment.”

Others have found that Trump’s behavior — the president frequently calls his political opponents names and denigrates entire communities of people, sometimes with racial slurs — is affecting how children behave.

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“Eight in 10 educators reported fears on the part of marginalized students including immigrants, Muslims, African Americans and LGBT people. Four in 10 heard derogatory language directed at minority students. More than 2,500 described instances of bigotry and harassment directly related to election rhetoric. Two out of 10 had heard derogatory comments about white students, although few of them were made directly to those students. Most were remarks about whites voting for Trump.”