The United Nations Educational, Scientific, and Cultural Organization (UNESCO), sees as one of its major tasks assisting nations to appreciate the concept of life-long education and to work out its implications in the many different sets of conditions found throughout the world today. The paper constructs conceptual models for the provision of life-long education and applies them to actual situations. Introducing the concepts with an overview of the sociological and psychological foundations of life-long education, the first major section of the document deals with specifications for a generalized model. Presented are: (1) fundamental aims of education, (2) life-long developmental needs and educational programs, (3) the organization of educational provision, (4) educational technology for life-long learning, and (5) the administration of life-long education. The final section offers a model and its application, describing: (1) conceptual models; (2) an organizational model coordinating the main educative agencies of the community; (3) an administrative model; (4) an application of the model to Peru, discussing its educational reform, organizational and administrative structure, model differences, interim changes, and future needs; and (5) strategies of educational change. (MW)