You can check NCVPS for online options for another math if you want, but a college class would probably look better.
She is definitely IN at NC State and UNC-CH, but not sure about getting admitted to CS. UNC-C is a good safety. They are supposed to have a really good Cybersecurity program if she is interested in that.
I’m a big fan of part time jobs. My D22 got a part time job over the summer and has kept it through this year of high school. I think it has been really valuable for her.