With the financial crisis it is hard to get a loan plus you have a bad credit. But still you can try your luck. Check this site - for the new information about companies that sill gives people with bad credit a second chance.

Go to the state website for State Board of Education. You’ll see the requirements. You have to start with a Bachelors degree. You might be required to do some student teaching, but there are ways around that if you ask. Then you can apply for your teaching certificate. You have to pass an exam to get it. Get some study skills. Remember studying is a means to an end. Keep your goal in mind.
Online schools have to be accredited. Some are not. Ask the SBOE which schools have the requirements you need. Best of luck. Sometimes the troubled kids make the best teachers.