No matter how tired you are and how much the tension and stress builds up on you. You NEVER GIVE UP! Quitting school would be one of the biggest mistake you could ever make. And if you think school is stressful just wait till u are an adult, then you'll really see what's stressful. no matter how hard and stessful it is never give up on your education because its one of the most important thing in your life. work hard now and youll see the fruits of your labour. Things shall get better in the end