THE CORRELATION BETWEEN GRAMMAR MASTERY AND WRITING ABILITY OF THE SEVENTH-GRADE STUDENTS OF SMP (SLUB) SARASWATI 1 DENPASAR IN THE ACADEMIC YEAR 2024/2025

This study aims to determine the correlation between grammar mastery and writing ability. The data of this study are grammar scores and writing test assessments collected from Saraswati 1 Denpasar Junior High School (SLUB) students of Class VII C and VII D in 2024/2025. This research used ex-post facto research with correlation design. In collecting data, the researcher used instruments. The sample of this study was 67 students from two classes, namely seven C and seven D. They were selected by cluster sampling. The data needed for this study were collected by giving sentence construction test on grammar mastery and descriptive text on writing ability as research instruments. The data obtained were analyzed by investigating the correlation between the scores of grammar mastery and writing ability which was done using SPSS Statistic 25. The result of the correlation between grammar mastery and writing ability was 0.056. This illustrates that there is a significant correlation between grammar mastery and writing ability of students in class VII C and VII D, SMP (SLUB) Saraswati 1 Denpasar in the academic year 2024/2025.