School Address:  11900 Lake Newport Road, Reston, VA 20194

• The main office phone number is  703-375-4800 .

• The school office hours are from 8:00 a.m. to 4:00 p.m.

• Our attendance phone line is  703-375-4848 . 

• Armstrong ES is part of FCPS Region 1. Visit the  Region 1  website to learn more.

• All decisions related to  inclement weather cancellations, delays, and procedures are determined by the FCPS central office.

School Web Curator:Kelsey Prada |  @email

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