This monograph presents a description, along with the purposes, of the Del Mod System. It is described as a system concerned with inducing changes in the existing systems in the area of science education. The investment of time and funds (a National Science Foundation-funded project) is devoted to an alteration of the behavior patterns of individuals. It is a cooperative working agreement with the University of Delaware, Delaware Technical and Community College, Department of Public Instruction, Delaware State College, the Delaware schools and industry. The origin, the specific objectives, and six major areas of concern are presented. The component institutions and their roles are described. The structure and funding as well as the first-year results of the program are included in the monograph. (EB)