On 24 April 2020, the Department for Education published guidance on Managing school premises, which are partially open, during the coronavirus outbreak.
This guidance can be found on the DfE website here: https://www.gov.uk/government/publications/managing-school-premises-during-the-coronavirus-outbreak/managing-school-premises-which-are-partially-open-during-the-coronavirus-outbreak
DfE publish new guidance on managing school premises during the coronavirus outbreak