Hallie Wells MS www.montgomeryschoolsmd.org/schools/halliewellsms/ 11701 Little Seneca Parkway Clarksburg, MD 20871 39.231141 -77.239051 Hallie Wells MS11701 Little Seneca ParkwayClarksburg,MD 20871 Phone: 301-284-4800 Fax: 301-540-6847 Dr. Carla M. McNeal, Principal Staff Directory