serving the village: Elementary Schools Clarksville Elementary School Pointers Run Elementary School Middle Schools Clarksville Middle School High School River Hill High School Atholton High School Notable people Ken Ulman, Howard County Executive. See also River Hill Farm John Due House References Marx, Paul. Jim Rouse:capitalist/idealist (2007), Rowman & Littlefield, , p. 225 Notes External links River Hill Community Association River Hill at Columbiavillagecenters.com Technology Education at Clarksville Middle School Clarksville, Maryland Columbia, Maryland Populated places in Howard County, Maryland Villages in Howard County, Maryland