The term SCHOOL ROOM can be broken down into three crossword solutions: GYM (3 letters), CAFETERIA (9 letters). A GYM is a room or building used for physical exercise, sports, and other forms of physical activity. It is typically equipped with exercise machines, weights, and other equipment. A CAFETERIA is a type of food service location in which there is little or no waiting staff table service, whether a restaurant or within an institution such as a large office building or school. Cafeterias are different from coffeehouses, although the United States English-language term 'CAFETERIA' is also used to describe a type of restaurant.