The American Library Association has a number of resources for school librarians gathered at this page.
Here’s a bunch more links librarians might find useful, and to share with their school communities:
https://nycdoe.libguides.com/COVID-19ebooks/free
http://www.nysed.gov/coronavirus
https://www.buffalolib.org/subject-guides/coronavirus-covid-19/coronavirus-covid-19
https://esboces.libguides.com/COVID19
http://www.nysed.gov/postsecondary-services/covid-19-resources-families-and-communities
https://www.e1b.org/en/about-us/novel-corona-virus.aspx#
https://www.cdc.gov/coronavirus/2019-ncov/community/schools-childcare/index.html
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