How can i override my local college getn financial aide&grants? im on academic supension and going back to sch

had a rough semester which caused me to flunk a cl i was put on adademic probation. things got worse and i finally got divorced but i still have issue. im now on finacial aide suspension and have to write a letter to the president on why i should be able to get financial aid. i the mean time as i am waiting for their reply i had to pay for my books 432.00 and monthly tution 242.00 i am appling because i have no money to pay for tution or books i am a single mother with a 3 yr old and 12 yr old and get hardly any help from x man The only thing i guess i am asking is how can i go about getn money for school.thank you