<![CDATA[This study aims to determine whether or not there is a relationship between bullying behavior and the mental health of class VIII students at SMP Negeri 2 Kendal. This type of research is descriptive correlational quantitative research. The subjects of this study were 256 students of class VIII and as a sample 64 students who had high, medium, and low levels of bullying behavior and mental health. The sampling technique was taken using a proportionate stratified random sampling technique. The data collection method used a bullying behavior scale and a mental health scale. The data analysis technique used was a descriptive analysis of the percentage of product-moment correlation analysis, and hypothesis testing using the SPSS version 22 application tool. The results showed that the majority of students’ levels of bullying behavior and mental health were dominated in the moderate category, with bullying behavior at 64.1% and mental health at 67.2%. In addition, the hypothesis test for the normality test obtained a significant result of 0.200 meaning that the normal distribution and linearity test had a significant result of 0.818 linear means. Furthermore, the data obtained from the product-moment correlation analysis results obtained a Pearson correlation of -0.584 and a Sig value. (2-tailed) with a value of 0.000 < 0.05 then the research hypothesis is accepted. Based on the results of the study, it can be concluded that there is a significant negative relationship between bullying behavior and the mental health of class VIII students at SMP Negeri 2 Kendal.  ]]>
