Option 1. yitty leibel help line-718.help now
Option 2. It’s important that your school understand your situation. As much as it pains you to tell them, it’s more painful to keep it inside. Please, find a teacher or principal and tell them.
You say you can’t do this much longer; not telling anyone isn’t making it easier on you. At this point you need to take care of yourself, irrespective of how it will affect your father. I don’t ask to be in your shoes, but understand that we each have our issues. Hashem expects us to take care of ourselves; you need to take care of yourself.
You also need to understand that your father won’t stop unless he hits rock bottom. You need to make that happen asap. It will only get worse and people will find out then. I implore you, tell someone who can help you.
He trusts you to take care of yourself, please, don’t put your father’s reputation ahead of your own emotional well being.