I know the standards that we set for ourselves are sometimes so high that we failed to meet them. but someone had said true love begins with loving yourself. try to focus on your good qualities. Because when we focused on positive things we automatically get positive feedback.
Get homeschooled with library, NIOS and tutoring. Internet has so many resources and support groups. You can focus on your health and start a freelancing career right now. There are better things to do in life than to go to school. Learning can happen even in a cruise or a public park.