poolesville-hs.mcpsmd.org/ 17501 West Willard Road Poolesville, MD 20837 39.14333000000001 -77.41861 Poolesville HS17501 West Willard RoadPoolesville,MD 20837 Phone: 240-740-2400 Fax: 301-972-7943 Counseling Fax: 301-349-4330 Mr. Mark A. Carothers, Principal Staff Directory