what do i do with my money?

Hello everyone, I’m 18 years old and I work 2 jobs, one full time. The other only 2 days. I make around 3k a month, I have about 20k saved up. I don’t know how to grow my money or what to do with it besides just saving. I would like to invest & I’ll probably go into college soon to advance my healthcare career. But so far I want to save at least 30-40k. What can I do to grow my money, (i use bofa) so it’d be helpful if you name some saving accounts or whatever else. Please help ! :)