Not just that...
Even though the exam is majorly recognized by all four-year universities in the US, close to 200 institutions outside of the US also accept the ACT test scores.
Reputed schools will cost you 100,000 dollars overall, for 4 years
You could also consider getting an associate degree in Culinary Arts; that's much cheaper
An Associate Degree gets you 60 semester or 90 quarter credits.
You can partially add your credits from your Diploma and see how much you need to earn a formal degree.