What can I do to gain paper or be able to go to college?

Did your dad ever receive a green card through this marriage?

Green card for extraordinary abilities

She will need more qualifications such as patents, high salary, peer recommendations, awards, etc.

Can USCIS decide to initiate a removal proceedings against me once they realize I should've been placed in removal proceedings?

You can call the EOIR hotline at (800) 898 7180. It is automated and you need only input your A number.

Am I still a Cuban citizen?

The laws of Cuba govern when you are no longer a citizen of that country.

Iwas wondering if I could start the application process towards legal residency or do I wait until my son is 21 to do so?

it depends on how long until your son turns 21.

As an immediate relative, the unauthorized employment will not be an issue.

How can my minor sibling come with my parents to US when I petition them? She has developmental delay. And very dependent .

You can try for humanitarian parole. Good luck!

Would there be any delay if I mailed I-485 separately from I-360 but not too much far apart (about 2 months)

Do you know if a fee waiver is available?

What i should do next

The NVC will send you further instructions.

My question now is whether NOC is really required or do we have any alternative to this?

You can submit your own L-2 application.