Did you apply to any non-audition theater programs? There are plenty of schools that offer a BA whereby you could still take classes in acting and dance, and try out for the musicals.
If not, I’d suggest a gap year where you work to save up money and then practice on your own… youtube is free and great for someone who cannot afford pricey lessons! And perhaps there are places locally that you could intern - where you would “work” for free but be able to take masterclasses and workshops alongside the paying students? Like @ summer theatre workshops that have campers but also high-quality instruction.