Stop cyber bullying others, because it is a invisible knife that hurts others badly. The people might not know how hurtful it gives to the victims but the thing ended up committing suicide and all. I will help out people and not help them.
About studies, try your nest to focus, then study hard, if there is anything you don’t know, ask your teacher. Just try your best and ask your friends and teachers for help to achieve your result and score well for your next test !