Abstract
This study aims to describe the picture of professional competence, the role of teachers and the influence of teacher professionalism on learning achievement Indonesian students at SMPN 1 Kilo. Data were collected using survey and experimental methods. The survey method to require a sufficient number of respondents for the validity of the findings to be achieved properly. Experimental method to explain the causal relationship between one variable and another (variable x and variable y). The results showed that the picture of teacher professional competence results of r calculation value and r table value with 10 items can be classified into the first two parts, 5 items are declared valid with a percentage of 50%, and 5 items are declared invalid with a percentage of 50%, while the role of the teacher can Indonesian be seen the results of the r calculation value and the r table value with 12 items classified into the first two parts, 5 items are declared valid with a percentage of 41%, while 7 items are declared invalid with a percentage of 58%.