Important contacts and phone numbers
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