You can find lots of programs in either on mysummeradvisor.com It might be helpful for her to look at programs at colleges she is considering. That way she will get to know the campus really well and also can attend an admissions talk as well.
Drawing is a foundational skill, so almost all art programs will offer this. She should focus on preparing a portfolio and many summer programs help with this. There are also lots of biology programs.
I’m on the East Coast. She should see about programs through Summer@Brown and Rhode Island School of Design (RISD). They are next to each other. I’m not sure if RISD offers housing, but Brown definitely does. There are also lots of opportunities in Boston. So many schools…She might like to spend time on the East Coast and see the Atlantic.