The Sherrif says that the rumors and false reports had nothing to do with the high school in Centerville. But, they were related to threats in a Jeffersonville, Missouri Middle School.
From the Queen Anne's County Facebook Feed:
UPDATE as of 10/27 at 10:15 am: It is now confirmed that the school threat disseminated in Queen Anne's County, is directly related to an incident in Lousiville, Kentucky. Contact was made with the Chief of Police of Jefferson County who reported that the suspect involved in making the original post, regarding the school threat, was identified and apprehended.
There is no threat to any schools in Queen Anne's County.
Meantime, the school system has posted the following on its Facebook Page:
We are members of Safe School, Maryland! If you see it or hear it, REPORT it!!! https://www.p3campus.com/tipform.aspx?ID=5008#