thurgoodmarshall-es.mcpsmd.org/ 12260 McDonald Chapel Drive Gaithersburg, MD 20878 39.12389 -77.25833 Thurgood Marshall ES12260 McDonald Chapel DriveGaithersburg,MD 20878 Phone: 240-740-5990 Fax: 301-670-8256 Mrs. Pamela S. Nazzaro, Principal Staff Directory