career change

Quit CompSci if you don't like it but don't take up something else unless you might

I can't imagine the misery that must accrue from such a wrong decision; without the victim even being aware of its cause

No one but the admissions to EACH and EVERY university and school can tell you what each and every school holds as their eligibility criteria. Every school is different.

Why don't you email the respective school in which you're hoping to apply? Also talk to their respective career counseling to see about the future employment status and standard of living of workers in hotel management?