Use friends' and family recommendations to locate driving schools within your area. Compare prices and courses, credentials, number of teachers, tools and equipment like driving simulators, etc.
Find a good teacher
A good teacher must have the patience to understand the limits and capabilities of his students,efficient in teaching road signs, procedures and techniques and steadfast in case his student encounters a problem or accident while on the road.
Don't assume you can become a good driver in a few weeks, or even months. It takes a lot of experience to master the rules of the road.
Read driver's manual
Make sure you understand everything and memorize all the road signs and proper driver etiquette. These are necessary to keep you and your passengers safe while on the road.