Here is the
$1, those are youth shelters. edit: You can also call 1-800-RUNAWAY and ask for resources for your location, without giving your details.
Because you are homeless you may be able to get a caseworker to help you with your disability application. See here:
$1. Here is the
$1edit: SOAR specializes in initial SSI applications. the website is clunky though. If you are comfortable sharing your state/city/metro area, I can look up the contact information for your location so you can start calling tomorrow.