There are many schools that teach phlebotomy and prepare you for it. Phlebotomy schools should be accredited because if they are not recognized, you might not prove to be any different from the crowd because accredited schools follow a particular curriculum and help you clear your certification test easily. So, make sure you get a good and accredited school. There are many jobs in this field and the field is in requirement of more and more professionals. You main job will be to take the blood out from the body of the patients for carrying out different tests like blood tests or drug tests.