How long does oncologist go to school?

To become an oncologist, an individual typically completes around 13 years of education and training. This includes four years of undergraduate education, four years of medical school, and a residency program in internal medicine lasting about three years, followed by a specialized fellowship in oncology that usually requires an additional two to three years. Overall, it can take approximately 13 to 14 years after high school to fully train as a practicing oncologist.