Salary Expectations. The expected salary of a graduate from a exercise science program depends on the career you end up with. Personal trainers, according to the Bureau of Labor Statistics, make an average of $31,090 per year. Dietitians and nutritionists average $53,250 per year and generally hold a bachelor's degree.At the high end, exercise science grads who find work as occupational therapist make, on average, $72,320 per year in another high-growth industry; however, most occupational therapist have a master's degree.t the high end, exercise science grads who find work as occupational therapist make, on average, $72,320 per year in another high-growth industry; however, most occupational therapist have a master's degree.