Appropriates $5 million for 2021-22 from the General Fund to the Department of Natural and Cultural Resources, Office of Archives and History, for a historic school preservation grant program, with grants provided to local governments and nonprofit organizations to preserve historic schools. Requires the funds to be used to rehabilitate certified historic structures initially used for an educational purpose. Requires the Secretary to establish eligibility guidelines and prohibits a recipient or new project from receiving a total of more than $250,000 in grant funds for the 2021-22 fiscal year. Specifies that funds do not revert at the end of the 2021-22 fiscal year but instead remain available for grants until all funds are expended. Effective July 1, 2021.