Supporting Children with Disabilities During COVID-19 Act This bill provides FY2021 supplemental appropriations for grants to assist states in providing special education and related services to children with disabilities and for specified early childhood education programs for children with disabilities. Additionally, the bill specifies reporting requirements related to the use of these funds. It also requires the Department of Education to publish on its website, and the Department of Health and Human Services to release, certain expenditure reports related to these funds. The amounts provided by the bill are designated as an emergency requirement pursuant to the Statutory Pay-As-You-Go Act of 2010 (PAYGO) and the Senate PAYGO rule.