gibbs-es.mcpsmd.org/ 12615 Royal Crown Drive Germantown, MD 20876 39.205455 -77.25973 William B. Gibbs, Jr. ES12615 Royal Crown DriveGermantown,MD 20876 Phone: 240-740-0740 Fax: 301-353-0890 Attendance Hotline: 240-740-0741 Health Room: 240-740-0742 Mrs. Tamisha L. Sampson, Principal Staff Directory