highest engineering degree you can earn
Doctoral Degrees. In most cases, a doctoral degree is the highest degree you can earn in a field. The Doctor of Philosophy (Ph.D.) is the most common form of a doctorate, and it is awarded in many fields of study.
Those majoring in petroleum engineering earn the highest midcareer salary at $136,000 annually, according to the report Economic Value of College Majors released by Georgetown University's Center on Education and the Workforce.