My sis get febrile fits when my mother give her birth, thn it complicated 2 meningitis, she is now 12year old, she can't talk, walk n understand things?

In the USA, a Public: Law called idea, individuals with disabilities education act, mandates a free & appropriate public education for your sister. Your school district tests her & creates an individualized educational plan with your mom. Mom can also apply for ssi, which is financially-based & the katie beckett program, which isn't, at your local social security office, for funding for therapies, wheelchairs, etc.