Battles over diversity and equity initiatives in public schools have resulted in administrators and teachers being fired or resigning over discussions about race, according to NBC.

Rydell Harrison is one of a small but growing number of educators who have left their jobs after school districts became inundated in recent months by furious parents who’ve accused them of teaching critical race theory, an academic framework usually taught in graduate schools that posits racial discrimination is embedded within U.S. laws and policies, the article reports. Administrators at virtually every district facing these conflicts — including Harrison’s — have insisted they don’t teach critical race theory, but conservative activists are using that label for a range of diversity and equity initiatives that they consider too progressive, prompting lawmakers in 22 states to propose limits on how schools can talk about racial issues, NBC says.

“In education, we have responded to opposition with truth and facts and being able to say, ‘Yeah, I can see why that’d be a concern, but this is what is really happening.’ In most cases that works for us,” Harrison said. “But when facts are no longer part of the discussion, our tools to reframe the conversation and get people back on board are limited.”

Read the full article on NBC.