THIS PAPER DESCRIBES THE INTRODUCTION OF THE CONCEPT OF THE RESEARCH AND INSTRUCTION UNIT IN SEVEN SECONDARY SCHOOLS IN WISCONSIN. THE CONCEPT OF THE UNIT, ORIGINALLY DEVELOPED IN ELEMENTARY SCHOOLS AS PART OF PROJECT MODELS, IS BASED ON A REORGANIZATION OF THE TRADITIONAL SCHOOL STRUCTURE AND THE INTRODUCTION OF NEW ROLES AND RELATIONSHIPS FOR SCHOOL PERSONNEL. EACH UNIT IS COMPOSED OF A LEADER SPECIALIST, CERTIFIED TEACHERS, NONCERTIFIED AIDES, AND STUDENTS. THE IDEA WAS DEVELOPED BY THE UNIVERSITY OF WISCONSIN RESEARCH AND DEVELOPMENT CENTER FOR COGNITIVE LEARNING WHICH IS STUDYING THE RESEARCH AND DEVELOPMENT ASPECTS OF THESE INNOVATIONS. THE OBJECTIVES OF THIS TEAM TEACHING SCHEME ARE TO DEVELOP SYSTEMS OF CONCEPT LEARNING, INDIVIDUALIZATION, AND MOTIVATION. THE APPLICATION OF THE CONCEPT IS FLEXIBLE AND THE SPECIFIC FORM IT TAKES DEPENDS ON THE SITUATION IN A PARTICULAR SCHOOL. ON THE SECONDARY SCHOOL LEVEL THIS INSTRUCTIONAL INNOVATION HAS BEEN DIRECTED TO THE STUDY OF MATHEMATICS, SCIENCE, ENGLISH, SOCIAL STUDIES, AND, IN ONE SCHOOL, PHYSICAL EDUCATION. THE PAPER SPECIFICALLY DESCRIBES HOW THE UNITS OPERATE IN SOME OF THE SCHOOLS. (NH)