There are a variety of factors that might influence foreign language learning faced by a number of students when learning a foreign language; attitude, motivation, anxiety, and beliefs (Trang & Karen - Baldauf (2012). Anxiety has become the most intriguing issue in language teaching and learning and it has correlation on students' academic performance. This paper aims to investigate the effects of English language anxiety and its impact on students' oral communication at English Education Study Program, Department of Language and Art Education, Faculty of Teacher Training and Education Tadulako University, Palu Central Sulawesi Indonesia and English Department, Faculty of Languages and Literature Universitas Negeri Makassar, Indonesia. A total 80 students, 54 females and 26 males participated in this study. There were two types of instruments employed in this study, a questionnaire and a test. The study anxiety level was measured using Sansgiry and Sail's Test Anxiety Measurement (TAM) which has been modified by the researchers. Meanwhile, students' oral communication was measured using students' score of speaking skill subject. The results of the study illustrated that there was a significant correlation of high level anxiety and low academic performance among English students at English Education Study Program, Department of Language and Art Education, Faculty of Teacher Training and Education Tadulako University and English Department Faculty of Languages and Literature Universitas Negeri Makassar.