Reapply for financial assistance if you need it. Fill out the FAFSA -- the free application for federal student aid -- and submit it online or mail it to the address on the form. Check with your school's financial aid office after the FAFSA has been processed and they have determined how much aid you are eligible to receive. Apply for private student loans through a bank; if you do not have sufficient credit you will need a cosigner. Submit scholarship and grant applications to companies offering them to students. Visit your school's financial aid office for all information and application forms.
Review your college transcripts to familiarize yourself with the classes you previously took and passed. Improve your grade point average by re-taking all classes for which you previously received grades of D or F. Avoid retaking classes you already passed and focus on those you need for graduation. If you aren't sure what additional classes you need or feel overwhelmed, meet with your academic advisor for guidance.
Register for a manageable number of classes during the semester. If you do not have the time to commit to attending, studying for and focusing on the work of a full schedule of four classes per semester, only register for two or three. Make your schedule manageable to prevent additional stress or work overload.
Meet all drop deadlines your school has for classes. Avoid lowering your GPA by missing a drop deadline for a class you realize you cannot take because of scheduling conflicts, daycare or family issues, medical appointments or reserve military duty.
Enlist the help of a tutor for subject areas in which you struggle. Do this no matter what your reason for leaving school and being readmitted. Find assistance with subjects you have not dealt with in a while, since an extended period of time away from the classroom may cause you to forget or get "rusty" in some areas. Schedule an appointment with your academic advisor at least once per semester until your grade point average is up and your academic progress is satisfactory.