Whats the point of living?

I dont know if im frustrated at life, but school really doesnt seem to make sense to me, after all we are jsut going to school 5 days a week 8 hours a day and coming home to do 2 hours of homework. Thats about 50 hours of school a week, for 9 out of the 12 months. And we end up doing all this just so we can go and bust our *** off at a job where we can work 5 days a week for the rest of our lives. Whats the point, i told my parents this, and i got stressed out and had a meltdown and couldnt study for my tests, until my dad forced me down and made me, i left extremely frustrated and i spent the rest of the night sitting and listening to music. When my brother comes in to ask whats wrong and if i need to talk about it, i tell him taht im depressed but i cant tell him why now, im not even sure why. But after i told him that i cried for about 20 minutes, im so confused and frustrated and i dont know what to do right now.