THE REACTIONS OF 11 SUPERINTENDENTS OF SCHOOLS TO THE IDEA OF A SUPPLEMENTARY EDUCATION CENTER WERE PRESENTED. SUPERINTENDENTS WERE ASKED TO COMMENT ON THEIR PRESENT COOPERATIVE ARRANGEMENTS. REACTIONS WERE OBTAINED ON SUCH TOPICS AS REFERENCE SERVICE, INSTRUCTIONAL MATERIALS LIBRARY, BOOK EXAMINATION CENTER, CENTRALIZED CATALOGING AND PROCESSING, INSERVICE TEACHER EDUCATION, CURRICULUM MATERIALS CENTER, AND MATERIALS PRODUCTION SERVICE. WAYS IN WHICH THE STATE EDUCATION DEPARTMENT MIGHT HELP DISTRICTS INTERESTED IN PLANNING SUPPLEMENTARY EDUCATION CENTERS WERE THAT THE STATE ASSUME A MAXIMUM ADVISORY ROLE, PROVIDE STAFF CONSULTANTS, DEFINE THE SIZE OF REGIONS TO BE SERVED, PROVIDE AN INFORMATION SERVICE, AND IMPROVE PUBLIC RELATIONS. THE TYPES OF INFORMATION NEEDED IN PLANNING FOR SUPPLEMENTARY EDUCATION CENTERS INCLUDED NAMES OF CONSULTANTS, LOCATIONS OF EXISTING MODELS, DESCRIPTIONS OF POSSIBLE SERVICES, MATERIALS ON HOW TO ORGANIZE AND OPERATE A CENTER, CRITERIA FOR AID, OBJECTIVES OF LEGISLATION, AND FINANCIAL INFORMATION. SUPERINTENDENTS INTERVIEWED EXPRESSED WILLINGNESS TO PARTICIPATE IN PRELIMINARY INVESTIGATIONS AND COOPERATIVE PLANNING FOR A CENTER.