Case Study from the year 2022 in the subject Sociology - Work, Education, Organisation, grade: 2.2, , language: English, abstract: The goal of any school is to create academically brilliant and behaviourally good students. To ensure that, it is better to know the relationship between behaviour and academic performance. This action research was conducted to study the relationship between students' behaviour and their academic performance at XYZ School. To reach the target population, the researcher selected all (45) grade 7 students and their teachers (10) purposefully. Instruments of data collection were questionnaires, interview, and reviewing students previous disciplinary records from the supervisor's office. The collected data were analysed and interpreted carefully. The collected data regarding students' behaviour changed into percentage and balanced with their class rank on a single sheet of paper.