FIVE EXPERIENCED TEACHERS VISITED 1,011 FOREIGN LANGUAGE CLASSES, TAUGHT BY 747 HIGH SCHOOL TEACHERS, TO STUDY THE QUALITY AND QUANTITY OF THE TEACHING. BRIEF DESCRIPTIONS OF SUCCESSFUL METHODS WERE REPORTED. THE REPORT INCLUDED DISCUSSIONS OF LOGS OF FOUR TYPICAL CLASSES, CLASS SETTINGS, LISTENING COMPREHENSION, SPEAKING, READING, AND WRITING SKILLS, LANGUAGE LABORATORY, AUDIOVISUAL AIDS, CULTURE AND CIVILIZATION, SUPERVISION, AND MISCELLANEOUS. NINE FEATURES OF THE SUCCESSFUL CLASSES OBSERVED WERE INDICATED. GENERALLY, THESE FEATURES HAD FULL PARTICIPATION BY STUDENTS WITH TEACHER CONTROL. REPORTS IN THIS SERIES ARE ED 003 940 THROUGH ED 003 960. (RS)