what's the point of anything

i'm a senior high student, i feel depressed and stressful every day. i hate to go to school, there's always too much difficult homework to do, countless exams to take, every day in school is busy and hard, with barely time to rest. the things i wanna do most is sleep, i'm sleepy and tired every day. all those things make me feel numb, i don't know what my future will be like, i don't know what to do, so hopeless..