[header] How to prepare for a banking job [title] Get a high school diploma or ged. [step] Most banking jobs require at least a high school diploma or ged, and they often require more formal education. If you are interested in becoming a bank teller, you can usually apply with only a high school diploma. 
You will also need to pass a background check before getting started. Once hired, you will be trained to do the specific job you've been hired for.