Washington Metropolitan Area Transit Authority, WMATA, 'COVID-19 Information: Service Changes due to the public health emergency' (page as of May 13, 2020) (Mar. 16, 2020) (Ex. ECO-B-099)
Ballotpedia (secondary source; student counts from NCES), Ballotpedia, 'School responses to the coronavirus (COVID-19) pandemic during the 2019-2020 academic year' (June 30, 2020) (Ex. ECO-B-105)
