The Arlington County Police Department’s Emergency Response Team (ERT) is scheduled to conduct a training exercise in Crystal City on Tuesday, September 16, 2025. The event will take place inside a building located in the 1800 block of S. Bell Street from approximately 6:00 p.m. to midnight.
Residents and people working nearby may notice an increased presence of public safety vehicles and law enforcement officers during this period. Noise coming from the building may also be heard in the vicinity. Authorities have clarified that these activities are part of a planned training session.
“Realistic training is critical to enhancing ACPD’s response capabilities and ensuring our officers remain prepared to respond to any public safety incident that may occur in Arlington County or the region,” according to the Arlington County Police Department.
This exercise is not open to the public.
Arlington County has a single public school district with an enrollment of 27,536 students for the 2023-24 academic year, according to data from the Virginia Department of Education (https://www.doe.virginia.gov/home). Among its schools, Washington Liberty High School reported the highest enrollment at 2,904 students for that year (https://www.doe.virginia.gov/home). White students made up about 41.9% of total enrollment, while Hispanic students accounted for roughly 30.3% (https://www.doe.virginia.gov/home). Overall student numbers decreased slightly by 0.2% compared with the previous year (https://www.doe.virginia.gov/home).
The Montessori Public School of Arlington had the largest pre-kindergarten enrollment among county schools, with 103 pre-K students enrolled during the same period (https://www.doe.virginia.gov/home).

