This study focuses on teachers’ sensibility of middle school students’classroom misbehaviors. The methodology of this research was descriptive. The questionnaire of Jones et al (1995) employed to gather data. Of the 1742 middle school teachers (female 987 and male 755) 315 valid samples (female 187 and male 137) were produced to questionnaire by the targeted teachers from middle schools in Zahedan. SPSS 15 was used to produce mean, Standard Deviations, Pearson Product Moment Correlation (r), T-test, and ANOVA. The results of the study showed that: In general, the majority of teachers (58.7%) think that classroom management is a great concern. They perceived “Bullying, pushing, or fighting with other students”, “Chatting, or joking with others” and“Talking out of turn, answering question without raising hand” were the most frequent and troublesome misbehavior. There were differences between sex, experiences, and class size.According to the findings above, suggestions were given to educational administrations, teachers and future research.