Take coursework in science and biology in both high school and college if possible. This background can be very helpful to someone interested in medical school, and it can help during the application process, but it is not necessary.

Step2 Obtain an undergraduate bachelor's degree. Interest in medicine as a career can be prepared for with a pre-med degree in science or biology, but this is not a prerequisite. Other backgrounds and college majors can get accepted to medical school. Regardless of your educational specifics, academic strength is required.

Step3 Take a medical school entrance exam.

Step4 Obtain a Medical Degree (M.D.) from an accredited medical school. The average length of time is takes to complete an M.D. program is 4 years.

Step5 Apply to a anesthesiology residency program. A residency in anesthesiology requires 4 additional years of training, with the option for further sub-specialization through a fellowship of 1 to 3 years.

Step6 Become a Board-certified anesthesiologist by taking a comprehensive oral and written exam following graduation from residency.