Welcome to SR.... Im pleased to meet you and glad you decided to post.
Always remember the 3 Cs
You did not cause it, you can not control it and you can not cure it.
Its about him not you, but you can find happiness and senerity regardless if he drinks are not.... just by working on yourself. School sounds like an excellent idea, and as for learning to live life when anothers drinking is effecting you... well Al-anon work very well for me in the beginning.
Stick around and keep reading... and Im sure more people will be along shortly.