I’m sorry you are experiencing homelessness.
Talk with your HS counselor ASAP. You may qualify as an independent student under the McKinney-Vento act. Then, you don’t need an NCP form for CSS profile, ask your HS counselor for help.
https://nche.ed.gov/legislation/mckinney-vento/
Homelessness is one of the criteria resulting in independent status for students on FAFSA, see here:
https://studentaid.gov/apply-for-aid/fafsa/filling-out/dependency