Academies and Dedicated Specialty Schools 0 Phyllis E. Williams Spanish Immersion Posted by adminPosted 6 years ago June 5, 2018 Basic Info Phyllis E. Williams Spanish Immersion is located at 9601 Prince Place, Upper Marlboro, MD 20772. The principal is Shawn Hintz. Phyllis E. Williams Spanish Immersion 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