This study was held to identify the factors behind students’ lack of verbal participation in English class. This research was a qualitative case study research, with 26 students of grade VIII at one private school in Jakarta as the subject of research. The instrument used was questionnaire which analyzed using thematic-analysis method. The results showed there are five factors influencing students’ lack of verbal participation. It started from teacher’s personality that makes the students having lack of self-efficacy in English lesson, lack of self-confidence in speaking English, lack of preparation before the English class begins, and the fear of making mistakes and being laughed at by others
