The Impact of Teacher's Professional Competence on Student's Performances

This study aims to find out the teacher's professional competence of SMAN 11 Banda Aceh and does it impact student's performance in the classroom. The study employed quantitative methods, the researcher utilized a questionnaire technique to collect data with 25 questions arranged for second-grade students and documentation technique also used in the study. The results of the study indicates that teacher A has an average score of 63.5063 and teacher B 73,9765, both of which are in good criteria of teacher professional competence. Moreover, the correlation test is done on two sets of data. The result for the set of data of teacher A is 0.2006 which indicates that there is a positive and weak correlation between variables. The result for the set of data of teacher B is 0.1653 which indicates that there is a positive and very weak correlation between variables. This concludes that if we want to assist in the improvement of student performance, we cannot only rely just on the teacher’s professional competence but also others elements outside teacher proffesional competence, such as student attitude, school resources, the role of parents, and many more. The greatest point to make is that teacher’s professional competence should be viewed as a tool for improving student’s performance.