normal years of schooling to become a anesthesiologist
In order to become an anesthesiologist, you must attend at least four years of college, four years of medical school and then do a four year residency in anesthesia. So â¦ at least 12 years of school after high school.  Barney9. (An RN needs 1 to 2 years after college to become a nurse  anesthetist.)   It takes 4 years of Undergraduate Study at a University of your  choice, 4 years at a Medical School of your choice, and about 2-4  years of Internship.