How do you all get good grades?

IX grader from SEA here. What're your study methods? I used to be decent at class until this grade, I can't focus properly during classes, and tomorrow's when I go back to school. So before that. Good students of reddit, any tips on how to learn better?

IX grader from SEA here. What're your study methods? I used to be decent at class until this grade, I can't focus properly during classes, and tomorrow's when I go back to school. So before that. Good students of reddit, any tips on how to learn better?