If you want to stay in the relationship, realize that the violence will not just stop or go away.
You cannot change your boyfriend or girlfriend's behavior by changing your behavior, nor are you in any way responsible for the abuse.
Dating safety for teens
Translation: taking a few extra precautions is just part of the job.
Whether you are babysitting or your parents are gone out for the night, you need to be on guard.
If you or someone you know is threatened by another student, take them seriously.
If in doubt on what to do in a situation like that, discuss it with your parents or someone you feel comfortable with, possibly a guidance counselor.
When you leave school, take a reliable route to wherever you are going.