THIS CURRICULUM REPORT IS A DESCRIPTION OF A SPECIAL EDUCATION PROGRAM FOR PRESCHOOL EDUCABLE MENTALLY RETARDED CHILDREN, TOGETHER WITH AN ACCOUNT OF ITS DEVELOPMENT IN EXPERIMENTAL CLASSES IN NEW YORK CITY. THE EXPERIMENTAL CURRICULUM WAS THE INDEPENDENT VARIABLE OF A RESEARCH PROJECT TO STUDY THE EFFECTS OF GROUP EXPERIENCE UPON YOUNG RETARDATES. THE TWO BASIC OBJECTIVES COVERED IN THIS REPORT ARE TO DISCOVER THE AMOUNT AND KINDS OF LEARNING WITHIN THE CLASSROOM (ACTIVITIES OF DAILY LIVING, ACADEMIC LEARNING AND READINESS, SOCIAL AND EMOTIONAL ADJUSTMENT, SPEECH DEVELOPMENT, LISTENING SKILLS, ORAL COMPREHENSION, AND VOCABULARY GROWTH) AND TO DETERMINE APPROPRIATE CURRICULUM AND TEACHING METHODS. THE CURRICULUM GUIDE SECTION HAS SUBCATEGORIES ON INTELLECTUAL DEVELOPMENT, IMAGINATIVE AND CREATIVE EXPRESSION, SOCIAL DEVELOPMENT, EMOTIONAL DEVELOPMENT, MANIPULATIVE DEVELOPMENT, GROSS MOTOR DEVELOPMENT, AND SELF HELP WHICH CONTAIN 190 ITEMS ARRANGED IN FIVE-POINT DEVELOPMENTAL SCALES FOR THE TEACHER TO USE IN VIEWING TEACHING-LEARNING PROCESSES. THE ITEMS IN THE CURRICULUM GUIDE ARE IMPLEMENTED IN ACTION SETTINGS--DISCUSSION PERIODS, GROUP HANDWORK PROJECTS, FREE PLAY, JUICE TIME, PLAYGROUND AND GYMNASIUM ACTIVITIES, STORY TELLING, SWIMMING, COOKING, AND TRIPS. THE IMPORTANCE OF BEHAVIORAL GOALS OF MOTIVATION, ATTENTION, PERSEVERANCE, PROBLEM SOLVING, CONCEPT DEVELOPMENT, AND ORAL COMMUNICATION IS STRESSED. THE PROGRAM'S ORGANIZATION AND MANAGEMENT ARE DISCUSSED, AS ARE THE VARIOUS EVALUATIVE METHODS USED. A REFERENCE LIST OF 69 ITEMS IS INCLUDED. THIS DOCUMENT IS PUBLISHED BY THE TEACHERS COLLEGE PRESS, TEACHERS COLLEGE, COLUMBIA UNIVERSITY, NEW YORK, N.Y., $3.25. (RS)