Hi GL,
You sound very sad and frustrated. It's not hopeless. You might want to ask your T or someone at the counseling center about dialectical behavior therapy. It's got a very good track record with folks with BPD. Even if you have to go outside of the resources at school, perhaps you could get your parents to help you find a place that does this. You could describe how it focuses on skills training versus the therapy aspect of it.

Take care,

gg