Free choir curriculum and music (Mesa)

I am a retired teacher who taught in private school for 20 years.
I am trying to find good homes for many of the resources I used to teach my JH/HS students.
I am looking for a good educational home home for my choir curriculum that includes warm-ups, sheet music, hymnals, and other miscellaneous things.
I would like to bless an organization that doesn't have a lot of resources.
I will also Have other ads for: music curriculum, band curriculum, history, classroom decorations.