34yr old gone back to school

“(tailoring your skills to a marketplace demand and bringing a strong work ethic towards that position)” Someone quoted this some time ago in this forum, and I thought it made a lot of sense. I’m currently a business major, who just relocated to the US from Africa. It is interesting to see that the job market here is unique. I wanted to know if there is a niche marketplace that is in demand with good job prospects without the dangers of student loan? I am open to changing majors, just want an honest advice for a 34yr old gone back to school.