Hillside Hall houses a total of 260 students, accommodating sophomores through seniors. The building is co-ed, and all rooms are arranged in suites. Each room is occupied by two students, connected by a bathroom to another room where two students of the same gender reside. Hillside has 3 designated triple rooms, and some single rooms available for medical need and by lottery at Room Selection. Air conditioning and wireless Internet are in each room and the lounges. Each floor has its own study lounge. Free laundry facilities and vending machines are located on the first floor. The building is smoke free. No smoking is permitted in suites, hallways, and common areas, and there are smoke detectors and fire prevention sprinklers in every room. The Hillside Hall Office is located in Room 105; phone 973-720-3580.