VINELAND, N.J. (AP) - A federal judge ruled a New Jersey school district was within its rights to fire a security guard who posted on Facebook describing two men accused of killing a police officer as "black thugs" and suggesting "all white people should start riots and scare the hell out of them."

U.S. District Judge Joseph Irenas ruled Thursday that Mary Czaplinski is not likely to win a lawsuit against the Vineland Public Schools asserting that the district violated her freedom of speech.

The decision does not throw out her overall suit, though. She is seeking monetary damages from the district.

The guard was fired earlier this month for conduct unbecoming a public employee after a post about the shooting in Philadelphia. She also wrote that she was "praying hard" for the slain police officer, who was black. Her lawyer says she made a series of posts about the slaying when she was off work and at home.

The district noted the student population in Vineland is diverse and questioned the guard's ability to be an "unbiased arbiter."

The judge agreed, saying her statements "can reasonably be presumed to impede her proper performance of her daily duties as a security guard."