Hernwood Elementary School 9919 Marriottsville Rd Randallstown, MD 21133 Phone : (410) 887-0732 Business Category Schools Schools-Elementary Schools-Public Baltimore County--schools, Baltimore County Public Schools, Schools, Hernwood Elem 9919 Marriottsville Rd Towson, MD 21204 Phone : (410) 887-0732 Business Category Schools Government Offices-County Government Offices & Public Schools