Lake Seneca ES www.montgomeryschoolsmd.org/schools/lakesenecaes/ 13600 Wanegarden Drive Germantown, MD 20874 39.18361000000002 -77.28361 Lake Seneca ES13600 Wanegarden DriveGermantown,MD 20874 Phone: 240-740-0280 Fax: 301-353-0932 Ms. Teri D. Johnson, Principal Elementary Staff Directory