how many years to become a brain surgeon
4.) Residency programs vary in length depending on the field. For neurosurgery 7 years is typical. To become a brain surgeon you need to take the following steps: 1.) Graduate from high school and apply and get accepted to a university.2.) At a 4 year university get good grades (average is about a 3.5), do well on an admissions test (MCAT) and apply to medical schools.3.) Attend a 4 year medical school.o become a brain surgeon you need to take the following steps: 1.) Graduate from high school and apply and get accepted to a university. 2.) At a 4 year university get good grades (average is about a 3.5), do well on an admissions test (MCAT) and apply to medical schools.