Demand for food service workers remains strong and growing. A variety of intuitions employ food service, including restaurants, hotels, schools and summer camps. Basic qualifications include a high school diploma. Food service who wish to progress into head cook positions sometimes earn degrees from specialized culinary schools and institutes. Additionally, the American Culinary Federation accredits numerous formal apprenticeship opportunities where prospective cooks, which are also useful to food service workers. They include a mixture of instruction and on-the-job training in a supervised environment.