As the third of a three-part study on the administration of audiovisual services in advanced and developing countries, this UNESCO-sponsored report describes the educational system of the United States and Canada, the audiovisual services at the local and state or provincial level and the national audiovisual support services. Also included are sections on audiovisual services in colleges and universities, international media activities, and trends in audiovisual services. Sets of recommendations for advanced and developing countries are also presented. (SK)