Student Loan WITHOUT A Cosigner!?!? --- HELP!!?

Hi! I am a 25 y/0 young woman and I desperately Need Some Advice! - Okay , Here Goes: I currently reside in the state of california and I make only $900 dollars per month. : I desperately want to go to a vocational school to become an LVN Nurse. : I qualify for a pell grant and an federal student loan , HOWEVER I Need 6000 more dollars for tuition. --- I Need a Loan Company who will loan me 6000 dollars WITHOUT A Cosigner. - I also have Poor Credit. - DO YOU KNOW OF ANY LOAN COMPANIES /RESOURCES FOR ME SO I CAN GO TO SCHOOL? --- PLEASE ADVISE!