Watkins Mill HS www.montgomeryschoolsmd.org/schools/watkinsmillhs/ 10301 Apple Ridge Road Gaithersburg, MD 20879 39.18365450269396 -77.21628570077411 Watkins Mill HS10301 Apple Ridge RoadGaithersburg,MD 20879 Bus Routes Magnet Bus Routes Phone: 301-284-4400 Fax: 301-840-3980 Counseling Office: 301-284-4420 Attendance Office: 301-284-4405 Ms. Carol L. Goddard, Principal High Staff Directory