This paper explores the concepts, and highlights the similarities, of the freshman and senior year experiences, applies these to theoretical transition and socialization models, discusses frameworks, and presents enhancement interventions. A section on freshman and senior year experiences looks at the common focus currently on the entering student experience and the common neglect of the final year student experience. This section also points out several similarities between the freshman and senior year experiences. A section on transitions which are common to both the freshman and senior years, offers a theoretical explanation of the transition and socialization processes. A section on programmatic themes discusses development of a sense of institutional community and work at the University of Maryland at College Park on enhancing the senior year experience. A section on intentional interventions looks at efforts at the University of Maryland at College Park. A final section details some institutional benefits to focusing on freshman and senior year experiences. Appended are a list comparing the freshman and senior year experiences, six principles of community, and a figure showing a framework for conceptualizing the senior experience. Contains 38 references. (JB)