DRAYDEN, Md. – St. Mary’s County Government’s Museum Division, in partnership with the Unified Committee for Afro-American Contributions (UCAC), will be offering free open houses for visitors and the community at the Drayden African American Schoolhouse for Juneteenth from 11 a.m. to 2 p.m. on Saturday, June 15, 2024; Sunday, June 16, 2024; and Wednesday, June…