Jacksonville Elementary School 3400 Hillendale Heights Rd Phoenix, MD 21131 Phone : (410) 887-7880 Jacksonville Elementary School Business Category Schools Schools-Elementary Schools-Public Baltimore County--schools, Baltimore County Public Schools, Schools, Jacksonville Elem 3400 Hillendale Heights R Towson, MD 21204 Phone : (410) 887-7880 Business Category Schools Government Offices-County Government Offices & Public Schools