laytonsville-es.mcpsmd.org/ 21401 Laytonsville Rd. Laytonsville, MD 20882 39.20667000000001 -77.14082999999999 Laytonsville ES21401 Laytonsville Rd.Laytonsville,MD 20882 Phone: 240-740-1660 Fax: 301-840-7147 Mrs. Maria D. Watson, Principal Elementary Staff Directory