Key Words: Using Genre Based Approach (GBA), Writing Skill, Descriptive text, The Tenth Grade Students of SMA Negeri 2 Slawi The objectives of this research are as follows: (1) to find out whether Genre Based Approach (GBA) gives positive effect on students’ writing achievement in making descriptive text or not of the tenth grade students of SMA Negeri 2 Slawi in the academic y…