DuFief ES www2.montgomeryschoolsmd.org/schools/dufiefes/ 15001 DuFief Drive Gaithersburg, MD 20878 39.10194 -77.2375 DuFief ES15001 DuFief DriveGaithersburg,MD 20878 Bus Routes Phone: 240-740-1600 Fax: 301-279-4983 Mr. Gregg Baron, Principal Staff Directory