If you want to leave, then leave. Going to college for no reason is not a good use of your time. Who cares what your parents think?
You're not alone in your alienation. You might like to read
What's the Matter With College? by Rick Perlstein, who describes what you're describing.
I wrote an essay awhile ago on
the Importance of Education. It's not so much about college, but it's how the education system works, which might be useful to you.
You might find that you're more interested in some kind of trade, like woodwork or forestry. You might also like the book \The Uncollege Alternativ] about possible alternatives.