The purpose of this research is to determine the extent to which the use of the Concept Sentence Technique (CST) can enhance students' writing skills. The research adopts a quantitative approach that involves collecting numerical data and analyzing it using statistical methods. Quantitative research is commonly used in educational research to examine the effectiveness of teaching techniques or interventions, such as CST for improving students' writing ability. The findings of the research indicate that students' writing skills significantly improved when CST was used in comparison to the conventional method. The use of contextual media in teaching and learning activities generally led to higher student achievement compared to the conventional method. On average, students who used a medium of surrounding environment scored higher than those who used the conventional method.

kata kunci :
student writing skills, descriptive text, surrounding environment, conventional method