Ballotpedia (Lucy Burns Institute), School responses to the coronavirus (COVID-19) pandemic during the 2019-2020 academic year (State-by-State closure chronology) (June 30, 2020) (Ex. SEC-15-001)
National Association for the Education of Young Children (NAEYC), Holding On Until Help Comes: A Survey Reveals Child Care's Fight to Survive (survey of more than 5,000 child care providers) (July 13, 2020) (Ex. SEC-15-006)
National Student Clearinghouse Research Center, Current Term Enrollment Estimates: Fall 2020 (Dec. 17, 2020) (Ex. SEC-15-007)
Ballotpedia, School responses to the coronavirus (COVID-19) pandemic during the 2020-2021 academic year (State reopening regimes, mid-year closures, return orders, monthly status) (June 30, 2021) (Ex. SEC-15-002)
Ballotpedia, School responses to the coronavirus (COVID-19) pandemic during the 2021-2022 academic year (school mask requirements and bans, staff and student vaccine requirements, litigation) (Aug. 1, 2022) (Ex. SEC-15-003)
