Stone Mill ES www.montgomeryschoolsmd.org/schools/stonemilles/ 14323 Stonebridge View Drive North Potomac, MD 20878 39.09158596809835 -77.21457492433045 Stone Mill ES14323 Stonebridge View DriveNorth Potomac,MD 20878 Bus Routes Phone: 240-740-5450 Fax: 240-740-5458 Dr. Kimberly (Kim) A.Williams Cascio, Principal Staff Directory