Officers will be deployed to all public and private schools while the threat is investigated.
"The safety and security of our students is always paramount," police said. "This action is being done out of an abundance of caution. Please do not call the police department seeking information."
McRae, who has ties to Mercer County, is accused of killing three and critically wounding five students at Michigan State University Monday, Feb. 13.
Click here to follow Daily Voice Washington Township and receive free news updates.