knolls-school.mcpsmd.org/ 10731 St Margarets Way Silver Spring, MD 20902 39.03360999999999 -77.05194 Stephen Knolls School10731 St Margarets WaySilver Spring,MD 20902 Phone: 240-740-0050 Fax: 301-929-2223 Health Room: 240-740-0005 Health Room Fax: 301-929-6962 Mrs. Abby L. Brandt, Principal Staff Directory