This is, I think, the case everywhere. But they’d have to investigate any referral. Then they’d close the case as unsubstantiated. And things would likely be only worse for the involved teen, due to the added stress in the household.
OP, you’re almost out. Only 7 months left until graduation. Consider applying to be a counselor at a sleep away camp this summer. YMCA camps have a particularly good reputation. Try to find a job where you are living away from home this summer. The summer before young adults leave for college can be an extremely stressful time even in the best of families, as the young adult is almost out the door and wants independence, and the parents are feeling that they have to pour the rest of their parenting into the limited time left before college.