THIS SURVEY OF THE LITERATURE INCLUDES DISCUSSIONS OF THE NEED FOR AND THE ESTABLISHMENT OF STUDIES AND EVALUATIONS OF INSERVICE EDUCATION OF TEACHERS. STRONG EMPHASIS IS LAID ON THE NEED FOR IMPROVING THE STATUS OF THOSE TEACHERS WHO LACK FULL CERTIFICATION, AS WELL AS ON PROFESSIONAL GROWTH FOR ALL TEACHERS. THERE ARE DISCUSSIONS OF EXISTING PRACTICES UNDER THE FOLLOWING HEADINGS (1) COURSES, IN EXTENSION DIVISIONS OF UNIVERSITIES, IN SUMMER SCHOOL, AND THROUGH CORRESPONDENCE, (2) SUBJECT MATTER INSTITUTES, PARTICULARLY THOSE FEDERALLY-FUNDED, (3) CONFERENCES, (4) WORKSHOPS, (5) STAFF MEETINGS, (6) COMMITTEE WORK, (7) PROFESSIONAL READINGS, (8) VISITS AND DEMONSTRATION LESSONS, (9) TEACHER EXCHANGES, (10) PARTICIPATION IN RESEARCH AND PROFESSIONAL WRITING, FOR WHICH TEACHERS SHOULD GET INSERVICE CREDIT, AND (11) PROFESSIONAL ASSOCIATION WORK. THIS DOCUMENT IS AVAILABLE FOR $0.60 FROM NATIONAL EDUCATION ASSOCIATION, 1201 SIXTEENTH STREET, N.W., WASHINGTON, D.C. 20036.