How to specialize as a freshman to survive the transition to UHI/Singularity?

Hey everybody, I'm currently a freshman in high school and really unsure of the unknown of the future job market. I know Elon Musk talks about universal high income being the future, but I've also heard from others that if this isn't implemented that the rich will get even richer and wealth inequality will exponentiate. I feel like it's inevitable that 99% jobs are replaced by AI in my lifetime, and to be honest I don't how to ensure my own stability in an era of such extreme volatility.