Elementary Schools 0 Marlton Elementary Posted by adminPosted 6 years ago June 5, 2018 Basic Info Marlton Elementary is located at 8506 Old Colony – South Drive, Upper Marlboro, MD 20772. The principal is Valerie Gifford. Marlton Elementary 0 Inclusiveness 0.0/10 Staffing and resources 0.0/10 Cooperation 0.0/10 Communication 0.0/10 Academic expectations 0.0/10 School Info School Website