School is destroying me..?

[Paul]

By all means quit school - school is not in everyone's best interests. If it is making you anxious or relapsing your recovery get out.

Don't quit on education though you can still be home schooled and learn for the fun of learning because you're interested in the subject not because you have homework deadlines and pressure to compete.

That at least will buy you some breathing space to make a full recovery. However life is hard, it is a competition for survival and there are no soft options. Failure and poverty means pressure to find food and shelter. Success means pressure, pressure to get successful and pressure when you are successful. Whatever you do there will be pressure so one of your goals for your recovery needs to be learning to cope with pressure without resorting to self destructive methods like anorexia. Get some counseling about that.