RESUMEN
Noise as an unwanted sound is unpleasant to listener. It can be physically, mentally, and physiologically harmful, and it interferes with important activities. Some studies show negative effects of aircraft noise on education procedures. We aimed to assess the impact of noise on the performance of teachers in classrooms, and on other educational activities. Method: We selected 384 class teachers by simple random sampling in primary, secondary, and high schools in Firoozabad City, Iran. We distributed the questionnaire to these class teachers and collected on the same day. The results showed that traffic noise was a significant factor that affected the teachers by reducing their teaching efficiency and by disturbing other educational procedures. Therefore, it needs more effective controls and more consideration in city planning